{"id":14937,"date":"2025-10-21T13:06:40","date_gmt":"2025-10-21T12:06:40","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=14937"},"modified":"2025-11-30T15:18:05","modified_gmt":"2025-11-30T15:18:05","slug":"computer-software-top-100-mcqs-with-answer-and-explanation","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2025\/10\/21\/computer-software-top-100-mcqs-with-answer-and-explanation\/","title":{"rendered":"Computer Software Top 100 MCQs With Answer and Explanation"},"content":{"rendered":"\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">1. Software is a collection of:<\/mark><\/strong><br>A) Physical components<br>B) Programs and instructions<br>C) Devices and wires<br>D) Processors<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Software is a set of instructions that tells the computer what to do. \n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">2. Which of the following is system software?<br><\/mark><\/strong>A) MS Word<br>B) Windows 11<br>C) Tally ERP<br>D) Photoshop<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Operating systems like Windows are system software; others are application software. \n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">3. Which of the following is application software?<\/mark><\/strong><br>A) Linux<br>B) Compiler<br>C) MS Excel<br>D) BIOS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> MS Excel is application software used for spreadsheets. \n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">4. Utility software is used for:<br><\/mark><\/strong>A) Performing user applications<br>B) Supporting system maintenance<br>C) Gaming only<br>D) Replacing OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Utilities (antivirus, backup, compression tools) maintain system performance. \n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">5. Firmware is stored in:<br><\/mark><\/strong>A) RAM<br>B) ROM\/Flash memory<br>C) Cache<br>D) Registers<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Firmware (BIOS, embedded software) is stored permanently in ROM\/Flash. \n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">6. The software that translates high-level language into machine code is:<br><\/mark><\/strong>A) Assembler<br>B) Compiler<br>C) Interpreter<br>D) Both b and c<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Compilers and interpreters translate high-level languages; assembler works for assembly language. \n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">7. An assembler converts:<br><\/mark><\/strong>A) High-level language \u2192 Machine code<br>B) Assembly language \u2192 Machine code<br>C) Machine code \u2192 Assembly language<br>D) None<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Assemblers convert mnemonics (assembly) into binary instructions.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">8. Example of open-source software is:<br><\/mark><\/strong>A) Windows<br>B) MS Office<br>C) Linux<br>D) Photoshop<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Linux is open-source, freely available, and modifiable.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">9. Proprietary software means:<br><\/mark><\/strong>A) Free software<br>B) Paid\/licensed software<br>C) Malware<br>D) Embedded software<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Proprietary software is owned, licensed, and not open source.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">10. Example of device driver software is:<br><\/mark><\/strong>A) MS Paint<br>B) Printer driver<br>C) VLC Player<br>D) MS Word<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Device drivers help OS communicate with hardware.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">11. The software that runs as soon as the computer is switched on is:<br><\/mark><\/strong>A) Compiler<br>B) Operating system<br>C) BIOS<br>D) Interpreter<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> BIOS (firmware) initializes hardware and loads OS.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">12. Example of programming software is:<br><\/mark><\/strong>A) Compiler<br>B) Linker<br>C) Debugger<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Programming software includes compilers, linkers, interpreters, debuggers.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">13. The first software loaded into memory when a computer boots is:<br><\/mark><\/strong>A) OS<br>B) BIOS\/Bootloader<br>C) Compiler<br>D) Utility<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> BIOS\/bootloader loads the OS into memory.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">14. Which of these is not application software?<br><\/mark><\/strong>A) Word Processor<br>B) Spreadsheet<br>C) Browser<br>D) BIOS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> BIOS is system firmware, not application software.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">15. Middleware software is used for:<br><\/mark><\/strong>A) Connecting software components<br>B) Editing graphics<br>C) Replacing OS<br>D) Gaming<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Middleware connects different applications\/databases.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">16. Example of utility software is:<br><\/mark><\/strong>A) Disk Defragmenter<br>B) Compiler<br>C) Browser<br>D) Paint<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Utilities like defragmenters optimize system storage.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">17. Which software is necessary for running hardware?<br><\/mark><\/strong>A) Application software<br>B) System software<br>C) Firmware<br>D) Malware<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> System software (OS, drivers) manages hardware operations.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">18. Examples of office suite software:<br><\/mark><\/strong>A) MS Office<br>B) LibreOffice<br>C) Google Docs<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> All are office suites with word processor, spreadsheet, presentation tools.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">19. Example of database management system (DBMS):<br><\/mark><\/strong>A) Oracle<br>B) MySQL<br>C) MS Access<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> All are DBMS software used for database storage and management.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">20. Example of web browser software is:<br><\/mark><\/strong>A) Chrome<br>B) Firefox<br>C) Edge<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Web browsers provide access to the internet.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">21. What type of software is Android OS?<br><\/mark><\/strong>A) Firmware<br>B) Application software<br>C) Operating System (system software)<br>D) Utility software<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Android is an OS for mobile devices.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">22. Example of enterprise software is:<br><\/mark><\/strong>A) ERP<br>B) CRM<br>C) SAP<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Enterprise software supports large organizations.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">23. Which of these is an example of malicious software?<br><\/mark><\/strong>A) Trojan<br>B) Worm<br>C) Virus<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> All are malware types designed to harm systems.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">24. Open-source office suite is:<br><\/mark><\/strong>A) MS Office<br>B) Google Docs<br>C) LibreOffice<br>D) Corel Office<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> LibreOffice is a free open-source office suite.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">25. What is shareware software?<br><\/mark><\/strong>A) Free trial version of software<br>B) Open-source<br>C) Utility software<br>D) Operating system<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Shareware is distributed freely for trial, but full features require purchase.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">26. The main function of an operating system is:<br><\/mark><\/strong>A) Word processing<br>B) Managing hardware and software resources<br>C) Providing internet<br>D) Printing documents<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> OS acts as an interface between hardware and user, managing CPU, memory, I\/O devices.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">27. Which of the following is not an operating system?<br><\/mark><\/strong>A) Windows<br>B) Linux<br>C) Oracle<br>D) macOS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Oracle is a DBMS, not an operating system.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">28. Which type of operating system allows multiple users to work simultaneously?<br><\/mark><\/strong>A) Single-user OS<br>B) Multi-user OS<br>C) Real-time OS<br>D) Batch OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Multi-user OS (like Unix) allows multiple users at the same time.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">29. Which OS is primarily used in smartphones?<br><\/mark><\/strong>A) Windows<br>B) Android<br>C) MS-DOS<br>D) Unix<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Android (Linux-based) is the most used smartphone OS.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">30. MS-DOS is a:<br><\/mark><\/strong>A) Single-user OS<br>B) Multi-user OS<br>C) Real-time OS<br>D) Network OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> MS-DOS supports only one user at a time.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">31. Linux OS is an example of:<br><\/mark><\/strong>A) Proprietary OS<br>B) Open-source OS<br>C) Utility software<br>D) Application software<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> MS-DOS supports only one user at a time.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">32. Which of these is an example of a real-time operating system (RTOS)?<br><\/mark><\/strong>A) Android<br>B) iOS<br>C) VxWorks<br>D) MS-DOS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> RTOS (VxWorks, QNX) is used where response time is critical (e.g., embedded systems).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">33. Which of the following is a network operating system?<br><\/mark><\/strong>A) Windows Server<br>B) UNIX<br>C) Novell NetWare<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> All manage networked computers and resources.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">34. What is the kernel of an OS?<br><\/mark><\/strong>A) Application software<br>B) Core program managing system resources<br>C) Word processor<br>D) Utility tool<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Kernel is the central part of an OS, controlling CPU, memory, and I\/O.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">35. GUI in operating systems stands for:<br><\/mark><\/strong>A) General User Interface<br>B) Graphical User Interface<br>C) Global Utility Input<br>D) General Utility Interface<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> GUI allows interaction using windows, icons, and menus.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">36. Example of GUI-based OS is:<br><\/mark><\/strong>A) MS-DOS<br>B) UNIX (CLI)<br>C) Windows<br>D) None<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Windows is GUI-based, while MS-DOS\/UNIX were originally CLI-based.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">37. Which OS function allocates CPU time to processes?<br><\/mark><\/strong>A) Memory management<br>B) Process scheduling<br>C) File management<br>D) Device management<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> OS schedules CPU time among processes.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">38. Which function of OS keeps track of files and directories?<br><\/mark><\/strong>A) Device management<br>B) Memory management<br>C) File management<br>D) Security<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> OS manages file storage, naming, permissions.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">39. Virtual memory is managed by:<br><\/mark><\/strong>A) CPU<br>B) Compiler<br>C) Operating System<br>D) Application software<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> OS uses virtual memory to extend RAM using disk space.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">40. Which OS is used in Apple computers?<br><\/mark><\/strong>A) Linux<br>B) Windows<br>C) macOS<br>D) Chrome OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> macOS is developed by Apple for its systems.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">41. Which of these is an embedded operating system?<br><\/mark><\/strong>A) Symbian<br>B) Palm OS<br>C) Windows CE<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Embedded OS are designed for specialized devices.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">42. Which of the following is a command-line interface OS?<br><\/mark><\/strong>A) MS-DOS<br>B) Windows 11<br>C) Ubuntu GUI<br>D) macOS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> MS-DOS is CLI-based, requiring typed commands.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">43. The process of OS starting up when power is turned on is called:<br><\/mark><\/strong>A) Compiling<br>B) Booting<br>C) Formatting<br>D) Processing<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Booting loads the OS into memory.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">44. Which of the following is not a function of OS?<br><\/mark><\/strong>A) Memory management<br>B) Process management<br>C) Application design<br>D) File management<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> OS manages resources, not application design.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">45. Example of a single-tasking operating system is:<br><\/mark><\/strong>A) Windows 10<br>B) Linux<br>C) MS-DOS<br>D) UNIX<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> MS-DOS could run only one program at a time.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">46. Which OS is specifically designed for servers?<br><\/mark><\/strong>A) Windows Server<br>B) Ubuntu Server<br>C) Red Hat Enterprise Linux<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> These are designed for server use.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">47. Paging is a memory management scheme handled by:<br><\/mark><\/strong>A) Compiler<br>B) Operating System<br>C) Application software<br>D) Firmware<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> OS divides memory into fixed-size pages for allocation.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">48. Which operating system was the first widely used?<br><\/mark><\/strong>A) UNIX<br>B) MS-DOS<br>C) Windows<br>D) CP\/M<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> CP\/M, or Control Program for Microcomputers was among the earliest widely used OS in microcomputers.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">49. Which OS uses the NT kernel?<br><\/mark><\/strong>A) Linux<br>B) Windows<br>C) macOS<br>D) Android<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Windows NT and later versions use the NT kernel.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">50. Multitasking in an OS means:<br><\/mark><\/strong>A) Using multiple computers<br>B) Running multiple programs simultaneously<br>C) Multiple users at once<br>D) Installing multiple OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Multitasking allows the CPU to switch between tasks quickly.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">51. Which of the following is a low-level language?<br><\/mark><\/strong>A) Python<br>B) Assembly<br>C) Java<br>D) C++<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Low-level languages are closer to machine code; assembly is a low-level language.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">52. High-level programming languages are:<br><\/mark><\/strong>A) Machine-dependent<br>B) Machine-independent<br>C) Written in binary<br>D) Directly executed by CPU<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> High-level languages (C, Java, Python) are portable and easier to understand.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">53. Which of these is not a high-level language?<br><\/mark><\/strong>A) Java<br>B) FORTRAN<br>D) Assembly<br>D) Python<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Assembly is low-level, whereas others are high-level.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">54. COBOL is mainly used for:<br><\/mark><\/strong>A) Business applications<br>B) Scientific research<br>C) Gaming<br>D) Networking<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> COBOL (Common Business Oriented Language) is designed for business data processing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">55. Which language is considered the &#8220;mother of all languages&#8221;?<br><\/mark><\/strong>A) FORTRAN<br>B) C<br>C) Assembly<br>D) Pascal<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Many modern languages (C++, Java, Python) are based on C\u2019s concepts.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">56. A compiler translates:<br><\/mark><\/strong>A) High-level language \u2192 Machine code (all at once)<br>B) High-level \u2192 Machine code (line by line)<br>C) Machine code \u2192 High-level<br>D) Assembly \u2192 Binary<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Compilers translate the entire program into machine code at once.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">57. An interpreter translates:<br><\/mark><\/strong>A) Whole program at once<br>B) Line by line<br>C) Assembly \u2192 Machine code<br>D) Machine code \u2192 Assembly<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Interpreters execute code line by line (e.g., Python interpreter).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">58. Which is faster in execution?<br><\/mark><\/strong>A) Compiler<br>B) Interpreter<br>C) Both same<br>D) Depends on OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Compiler-generated programs run faster because they are already translated into machine code.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">59. An assembler is used to convert:<br><\/mark><\/strong>A) High-level \u2192 Machine code<br>B) Assembly \u2192 Machine code<br>C) Machine \u2192 High-level<br>D) Java \u2192 Bytecode<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Assemblers handle assembly language instructions.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">60. Java uses which type of translator?<br><\/mark><\/strong>A) Compiler only<br>B) Interpreter only<br>C) Both compiler and interpreter<br>D) None<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Java uses a compiler to generate bytecode and JVM interpreter to execute it.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">61. Which is an example of a fourth-generation language (4GL)?<br><\/mark><\/strong>A) Assembly<br>B) COBOL<br>C) SQL<br>D) C<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> SQL is a 4GL used for database queries.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">62. Machine language uses:<br><\/mark><\/strong>A) English words<br>B) Binary (0s and 1s)<br>C) Assembly mnemonics<br>D) High-level syntax<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Machine language is purely binary instructions for CPU.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">63. Which programming paradigm is C++ based on?<br><\/mark><\/strong>A) Procedural<br>B) Object-Oriented<br>C) Both a and b<br>D) Functional<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> C++ supports procedural and object-oriented programming.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">64. Object-Oriented Programming (OOP) concepts include:<br><\/mark><\/strong>a) Inheritance<br>b) Polymorphism<br>c) Encapsulation<br>d) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> OOP is based on encapsulation, inheritance, polymorphism, and abstraction.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">65. <strong>The __ program is used to convert mnemonic code to machine code.<\/strong><br><\/mark><\/strong>a) debug<br>b) C++<br>c) FORTRAN<br>d) Assembler<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D) Assembler <\/b><BR>\n<b>Explanation:<\/b> An assembler is a utility program that translates mnemonic operation codes (assembly language) into machine language (machine code) that a computer&#8217;s CPU can directly execute\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">66. <strong>What do you call a program in execution?<\/strong><br><\/mark><\/strong>a) Command<br>b) Process<br>c) Task<br>d) Instruction<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Process <\/b><BR>\n<b>Explanation:<\/b> A program in execution is referred to as a process [1]. The operating system manages and schedules these processes as they run on the CPU.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">67. Which of the following is a procedural programming language?<br><\/mark><\/strong>a) Pascal<br>b) FORTRAN<br>c) C<br>d) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) All of these <\/b><BR>\n<b>Explanation:<\/b> Procedural languages follow step-by-step instructions.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">68. <strong>What is full form of GUI?<\/strong><br><\/mark><\/strong>a) Graphical User Interface<br>b) Geographical User of Internet<br>c) Giga uses internet<br>d) Graphical Unlimited Interface<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) Graphical User Interface<\/b><BR>\n<b>Explanation:<\/b> GUI stands for Graphical User Interface\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">69. Which of the following is not a programming paradigm?<br><\/mark><\/strong>a) Procedural<br>b) Object-oriented<br>c) Functional<br>d) Compiling<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) Compiling <\/b><BR>\n<b>Explanation:<\/b> Compiling is a process, not a paradigm.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">70. A linker is used to:<br><\/mark><\/strong>a) Debug programs<br>b) Combine object files into executable<br>c) Interpret code<br>d) Manage memory<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Combine object files into executable <\/b><BR>\n<b>Explanation:<\/b> Linker links multiple object files into a single executable program.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">71. A debugger is used for:<br><\/mark><\/strong>a) Writing code<br>b) Correcting syntax errors<br>c) Detecting and fixing runtime errors<br>d) Compiling<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: c) Detecting and fixing runtime errors <\/b><BR>\n<b>Explanation:<\/b> Debugger helps trace and correct program errors.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">72. Which language is widely used for web development?<br><\/mark><\/strong>a) HTML<br>b) JavaScript<br>c) PHP<br>d) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) All of these <\/b><BR>\n<b>Explanation:<\/b> Web development uses HTML (structure), JavaScript (logic), PHP (server-side).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">73. <strong>Machine language is also called ____<\/strong><br><\/mark><\/strong>a) High level programming language<br>b) Assembly level programming language<br>c) Binary language<br>d) None of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: c) Binary language <\/b><BR>\n<b>Explanation:<\/b>Machine language is also called Binary language. It consists purely of 0s and 1s, which is the native format that a computer&#8217;s CPU can directly understand and execute.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">74. <strong>Which of the following is a system software?<\/strong><br><\/mark><\/strong>a) Database programs<br>b) Word processors<br>c) Spreadsheets<br>d) Compilers<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) Compilers <\/b><BR>\n<b>Explanation:<\/b> Compilers are a type of system software known as language translators. They are essential tools used by developers to convert source code written in a high-level programming language into low-level machine code that the computer&#8217;s CPU can directly execute.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">75. The main advantage of high-level languages is:<br><\/mark><\/strong>a) Faster execution<br>b) Easier to understand and portable<br>c) Hardware dependent<br>d) Written in binary<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Easier to understand and portable <\/b><BR>\n<b>Explanation:<\/b> High-level languages are user-friendly and portable across systems.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">76. Open-source operating system widely used for servers is:<br><\/mark><\/strong>a) Windows Server<br>b) macOS<br>c) Linux<br>d) Chrome OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: c) Linux <\/b><BR>\n<b>Explanation:<\/b> Linux (especially Ubuntu, CentOS, RHEL) dominates in server environments.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">77. Which operating system concept provides illusion of multiple CPUs?<br><\/mark><\/strong>a) Multitasking<br>b) Multiprocessing<br>c) Multithreading<br>d) Time-sharing<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) Time-sharing <\/b><BR>\n<b>Explanation:<\/b> Time-sharing allows multiple processes to share one CPU as if each has its own.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">78. A program<\/mark> is ____<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><br><\/mark><\/strong>a) is a sequence of instructions<br>b) is the device where information is stored<br>c) is a device that performs a sequence of operations specified by instructions in memory<br>d) none of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) is a sequence of instructions <\/b><BR>\n<b>Explanation:<\/b> A program is essentially a set of written instructions that tells a computer how to perform a specific task or operation.\n\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">79. <strong>RTOS stands for<\/strong><br><\/mark><\/strong>a) Real \u2013 Time Operating System<br>b) Reliable Time Operating System<br>c) Reboot Time Operating System<br>d) None of the above<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) Real \u2013 Time Operating System <\/b><BR>\n<b>Explanation:<\/b> An RTOS (Real-Time Operating System) is a specialized operating system designed for applications that require processing data with minimal or no delay, often used in embedded systems for critical tasks like controlling industrial machinery, medical devices, or vehicle systems.\n\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">80. <strong>____ only uses text types one after another just as commands used in MS-DOS.<\/strong><br><\/mark><\/strong>a) CUI<br>b) CLI<br>c) Both a and b<br>d) GUI<br><strong>Answer:<\/strong> b) Round Robin<br><strong>Explanation:<\/strong> Round Robin allows preemption after a fixed time quantum.<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: c) Both a and b <\/b><BR>\n<b>Explanation:<\/b> the terms CUI and CLI are often used interchangeably to refer to the same type of interface. CUI stands for Character User Interface. &#038; CLI stands for Command Line Interface. \n\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">81. The file system used by Windows is:<br><\/mark><\/strong>a) NTFS<br>b) ext4<br>c) HFS+<br>d) FAT only<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) NTFS <\/b><BR>\n<b>Explanation:<\/b> Windows primarily uses NTFS (New Technology File System).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">82. The main disadvantage of interpreter is:<br><\/mark><\/strong>a) Requires more memory<br>b) Slower execution<br>c) Generates errors<br>d) Cannot run in OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Slower execution<\/b><BR>\n<b>Explanation:<\/b> Interpreter translates line by line, making execution slower than compiler.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">83. <strong>Restart of computer is called ____ when computer is already ON.<\/strong><br><\/mark><\/strong>a) Cold booting<br>b) Warm booting<br>c) Shut down<br>d) Logging off<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Warm booting <\/b><BR>\n<b>Explanation:<\/b> Warm booting (or soft boot) is the process of restarting a computer that is already powered on, usually initiated through the operating system (e.g., clicking &#8220;Restart&#8221;) or a specific key combination (like Ctrl+Alt+Delete). It typically avoids the initial hardware checks performed during a cold boot.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">84. Which of the following is not an example of cloud storage?<br><\/mark><\/strong>a) Google Drive<br>b) Dropbox<br>c) OneDrive<br>d) BIOS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) BIOS <\/b><BR>\n<b>Explanation:<\/b> BIOS is firmware, not cloud storage.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">85. <strong>Windows, UNIX &amp; LINUX are called ___<\/strong><br><\/mark><\/strong>a) Application<br>b) Operating System<br>c) Hardware<br>d) Device driver<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Operating System <\/b><BR>\n<b>Explanation:<\/b> Windows, UNIX &#038; LINUX are called are Operating Systems.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">86. The software that manages databases is called:<br><\/mark><\/strong>a) DBMS<br>b) OS<br>c) Utility<br>d) Middleware<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) DBMS <\/b><BR>\n<b>Explanation:<\/b> Database Management System stores, retrieves, and manages data.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">87. Which language is mainly used for Artificial Intelligence?<br><\/mark><\/strong>a) COBOL<br>b) Lisp<br>c) SQL<br>d) C<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Lisp <\/b><BR>\n<b>Explanation:<\/b> Lisp and Prolog are commonly used in AI research.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">88. What is the full form of API?<br><\/mark><\/strong>a) Application Program Interface<br>b) Advanced Programming Interaction<br>c) Application Processing Instruction<br>d) Applied Program Integration<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) Application Program Interface <\/b><BR>\n<b>Explanation:<\/b> API allows different software components to communicate.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">89. Which of the following is an open-source programming language?<br><\/mark><\/strong>a) Java<br>b) Python<br>c) C++<br>d) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) All of these <\/b><BR>\n<b>Explanation:<\/b> All are open-source and widely used.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">90. What is the purpose of device drivers?<br><\/mark><\/strong>a) Translate hardware commands for OS<br>b) Run applications<br>c) Manage databases<br>d) Debug programs<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) Translate hardware commands for OS <\/b><BR>\n<b>Explanation:<\/b> Device drivers allow OS to communicate with hardware devices.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">91. <strong>What does CO stand in COBOL?<\/strong><br><\/mark><\/strong>a) Common object<br>b) Common<br>c) Common operating<br>d) Computer Oriented<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) Common <\/b><BR>\n<b>Explanation:<\/b> The &#8220;CO&#8221; in COBOL stands for Common. The full acronym is Common Business Oriented Language.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">92. In programming, a compiler error occurs:<br><\/mark><\/strong>a) During execution<br>b) During code translation<br>c) At runtime only<br>d) In hardware<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) During code translation <\/b><BR>\n<b>Explanation:<\/b> Compiler errors occur when source code cannot be translated.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">93. Which one is a mark-up language?<br><\/mark><\/strong>a) C<br>b) HTML<br>c) Java<br>d) Python<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) HTML <\/b><BR>\n<b>Explanation:<\/b> HTML defines structure of web pages, not a programming language.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">94. <strong>A computer program used for business application is<\/strong><br><\/mark><\/strong>a) COBOL<br>b) BASIC<br>c) FORTRAN<br>d) C++<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) COBOL <\/b><BR>\n<b>Explanation:<\/b> COBOL (Common Business Oriented Language) was specifically designed for business, finance, and administrative systems for companies and governments. \n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">95. Open-source relational database is:<br><\/mark><\/strong>a) Oracle<br>b) MySQL<br>c) MS Access<br>d) SQL Server<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: b) MySQL <\/b><BR>\n<b>Explanation:<\/b> MySQL is free, open-source, and widely used. <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">96. BIOS stands for:<br><\/mark><\/strong>a) Basic Input Output System<br>b) Binary Input Output Software<br>c) Basic Integrated Output System<br>d) Binary Integrated OS<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: a) Basic Input Output System <\/b><BR>\n<b>Explanation:<\/b> BIOS initializes hardware and loads the OS. <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">97. Which of these is not a programming language?<br><\/mark><\/strong>a) Java<br>b) Python<br>c) PHP<br>d) Windows<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) Windows <\/b><BR>\n<b>Explanation:<\/b> Windows is an OS, not a programming language. <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">98. <strong>C++ language developed by<\/strong><br><\/mark><\/strong>a) Dennis Ritchie<br>b) Charles Babbage<br>c) Niklaus Wirth<br>d) Bjarne Stroustrup<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) Bjarne Stroustrup <\/b><BR>\n<b>Explanation:<\/b> Bjarne Stroustrup is a Danish computer scientist who created C++ at Bell Labs in 1979 as an extension of the C language, initially calling it &#8220;C with Classes&#8221;. <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">99. Which programming paradigm is mainly used in Python?<br><\/mark><\/strong>a) Procedural<br>b) Object-oriented<br>c) Functional<br>d) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) All of these <\/b><BR>\n<b>Explanation:<\/b> Python supports multiple paradigms \u2013 procedural, OOP, and functional. <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">100. Which of these software is classified as application software?<br><\/mark><\/strong>a) MS Office Word<br>b) Photoshop<br>c) VLC Media Player<br>d) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: d) All of these <\/b><BR>\n<b>Explanation:<\/b> All are application software designed for specific user needs. <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. Software is a collection of:A) Physical componentsB) Programs and instructionsC) Devices and wiresD) Processors Show Answer Answer: B Explanation: Software is a set of instructions that tells the computer what to do. 2. Which of the following is system software?A) MS WordB) Windows 11C) Tally ERPD) Photoshop Show Answer Answer: B Explanation: Operating systems<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[14141,4029,5649,5652,5623],"class_list":{"0":"post-14937","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-computer","7":"tag-computer-software-top-100-mcqs-with-answer-and-explanation","8":"tag-mcqs-adda","9":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","10":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-examsin-kannada","11":"tag-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/14937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=14937"}],"version-history":[{"count":50,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/14937\/revisions"}],"predecessor-version":[{"id":33317,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/14937\/revisions\/33317"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=14937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=14937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=14937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}