1. CPU stands for :
A) Central Processing Unit
B) Central Programming Unit
C) Control Processing Unit
D) Central Peripheral Unit
Answer: B
Explanation: CPU is the brain of a computer that processes instructions and performs calculations.
2. RAM stands for:
A) Readily Available Memory
B) Random Access Memory
C) Read Access Memory
D) Run-time Access Memory
Answer: B
Explanation: RAM temporarily stores data and instructions for quick access by the CPU.
3. ROM stands for:
A) Read Only Memory
B) Random Online Memory
C) Readable Output Memory
D) Run-time Operating Memory
Answer: A
Explanation: ROM stores permanent instructions for booting and cannot be easily modified.
4. BIOS stands for:
A) Basic Input Output System
B) Binary Input Output System
C) Basic Internet Operating System
D) Binary Internal Output System
Answer: A
Explanation: BIOS initializes and tests hardware during startup and loads the operating system.
5. GUI stands for:
A) General User Interface
B) Graphical User Interface
C) General Utility Input
D) Graphical Utility Instruction
Answer: B
Explanation: GUI allows users to interact with computers using icons and visual indicators.
6. URL stands for:
A) Universal Resource Locator
B) Uniform Resource Locator
C) Unified Resource Link
D) Uniform Reference Link
Answer: B
Explanation: URL is the address of a web page or resource on the Internet.
7. HTTP stands for:
A) Hyper Text Transfer Protocol
B) High Transfer Text Protocol
C) Hyper Terminal Transfer Protocol
D) Hyperlink Text Transmission Protocol
Answer: A
Explanation: HTTP is used to transfer web pages from servers to browsers.
8. HTTPS stands for:
A) Hyper Text Transfer Protocol Secure
B) Hyperlink Text Transfer Protocol Secure
C) Hyper Text Transmission Protocol System
D) Hyper Transfer Terminal Protocol Secure
Answer: A
Explanation: HTTPS adds encryption to HTTP for secure communication over the Internet.
9. IP stands for:
A) Internet Protocol
B) Internal Program
C) Internet Process
D) Internal Protocol
Answer: A
Explanation: IP addresses identify devices connected to a network.
10. DNS stands for:
A) Domain Name System
B) Data Name Server
C) Domain Network Service
D) Data Network System
Answer: A
Explanation: DNS translates domain names into IP addresses.
11. LAN stands for:
A) Local Area Network
B) Large Area Network
C) Local Access Node
D) Limited Area Network
Answer: A
Explanation: LAN connects computers in a limited area like an office or building.
12. WAN stands for:
A) Wide Area Network
B) Wireless Area Network
C) Wide Access Node
D) Wireless Access Network
Answer: A
Explanation: WAN connects computers across large geographical areas, such as cities or countries.
13. MAN stands for:
A) Metropolitan Area Network
B) Mobile Access Network
C) Main Access Node
D) Medium Area Network
Answer: A
Explanation: MAN covers a city or a large campus area.
14. NIC stands for:
A) Network Interface Card
B) Network Internal Connection
C) Node Internet Card
D) Network Integrated Circuit
Answer: A
Explanation: NIC allows a computer to connect to a network.
15. SMTP stands for:
A) Simple Mail Transfer Protocol
B) Secure Mail Transmission Protocol
C) Standard Mail Transfer Protocol
D) Simple Messaging Transfer Protocol
Answer: A
Explanation: SMTP is used to send emails over the Internet.
16. POP stands for:
A) Post Office Protocol
B) Packet Office Protocol
C) Protocol of Operation Post
D) Private Office Protocol
Answer: A
Explanation: POP is used to retrieve emails from a server to a client.
17. IMAP stands for:
A) Internet Message Access Protocol
B) Internal Mail Access Protocol
C) Internet Mail Authentication Process
D) Internal Message Access Process
Answer: A
Explanation: IMAP allows users to access and manage emails directly on the server.
18. FTP stands for:
A) File Transfer Protocol
B) Fast Transfer Process
C) File Transmission Program
D) Fast Transmission Protocol
Answer: A
Explanation: FTP is used to transfer files between computers over a network.
19. SFTP stands for:
A) Secure File Transfer Protocol
B) Simple File Transmission Process
C) Secure Fast Transfer Program
D) Standard File Transfer Protocol
Answer: A
Explanation: SFTP encrypts file transfers for secure communication over networks.
20. VPN stands for:
A) Virtual Private Network
B) Very Private Node
C) Virtual Public Network
D) Verified Private Network
Answer: A
Explanation: VPN provides secure connections over public networks by encrypting data.
21. What is the full form of PROM?
A) Primary read-only memory
B) Programmable read-only memory
C) Program read-output memory
D) Program read-only memory
Answer: B
Explanation: The full form of PROM is Programmable Read-Only Memory, a type of non-volatile computer memory that can be written to, or programmed, only once by a user, storing permanent instructions or firmware for electronic devices, unlike standard ROM which is factory-set.
22. IoT stands for:
A) Internet of Things
B) Internet of Technology
C) Integrated Online Tools
D) Internal Object Tracker
Answer: A
Explanation: refers to the vast network of everyday physical objects—like devices, vehicles, appliances, and even people with sensors—connected to the internet to collect and exchange data, enabling them to communicate and act without direct human intervention, creating “smart” environments and systems.
23. AI stands for:
A) Artificial Intelligence
B) Automated Input
C) Artificial Interface
D) Automated Intelligence
Answer: A
Explanation: AI refers to machines simulating human intelligence to perform tasks.
24. ML stands for:
A) Machine Learning
B) Manual Learning
C) Main Logic
D) Multi-Layer
Answer: A
Explanation: ML is a subset of AI where systems learn from data to improve performance.
25. What is the full form of COBOL?
A) Common Basic Operating Language
B) Common Basic Oriented Language
C) Common Based Operating Language
D) Common Business Oriented Language
Answer: D
Explanation: a high-level programming language designed in the late 1950s for business, finance, and administrative systems, known for its English-like syntax that made it easier for non-technical users to understand and use for large-scale data processing.
26. What is the full form of BIOS?
A) Basic Investment/Output System
B) Basic In/Out System
C) Basic Input /Output System
D) Basic Input /Output Station
Answer: C
Explanation: which is essential firmware on a computer’s motherboard that initializes hardware and starts the operating system when you turn the computer on, managing the flow between software and devices.
27. DNS stands for:
A) Domain Name System
B) Data Network Service
C) Domain Node Server
D) Digital Name System
Answer: A
Explanation: a fundamental internet service that acts like a phonebook, translating human-friendly website names (like www.google.com) into the numerical IP addresses (like 142.250.190.78) that computers use to find and connect to websites and online resources
28. DHCP stands for:
A) Dynamic Host Configuration Protocol
B) Data Host Control Process
C) Digital Host Connection Protocol
D) Dynamic Hypertext Control Protocol
Answer: A
Explanation: It acts like an automated system, efficiently managing address allocation from a central server, preventing conflicts, and simplifying network administration.
29. What is the full form of PNG?
A) Printable New Graphic
B) Printable New Graphical
C) Port Natural Graphics
D) Portable Network Graphics
Answer: D
Explanation: a popular raster image format used on the internet for its lossless compression, wide color support, and ability to handle transparent backgrounds, making it great for logos, charts, and web graphics.
30. What is the full form of URL?
A) Undistributed Resource Locator
B) Uniform Resource Locator
C) Unified Resource Locator
D) Uniform Region Locator
Answer: C
Explanation: It acts like a digital street address, containing protocol (http://), domain name, and path to the specific content you’re seeking.
31. VPN stands for:
A) Virtual Private Network
B) Verified Protocol Node
C) Virtual Public Network
D) Virtual Packet Network
Answer: A
Explanation: It’s like a private tunnel for your data, protecting it from snoopers, hackers, and trackers, especially on public Wi-Fi.
32. What is the full form of WORM?
A) Write Once, Read Many
B) Word On, RAM Memory
C) Word Optical, Recognition Malware
D) Wireless Operating, Read Module
Answer: A
Explanation: a type of storage that lets you write data only once but read it unlimited times, perfect for archives; but “worm” also refers to self-replicating malware that spreads across networks, named after a fictional concept in John Brunner’s novel, Shockwave Rider, which described similar malicious programs
33. What is the full form of ‘CC’, a field of E-mail header?
A) Continuous Copy
B) Carbon Copy
C) Character Copy
D) Control Copy
Answer: B
Explanation: The full form of ‘CC’ in an email header is Carbon Copy, originating from physical mail where a carbon sheet created duplicate copies; in emails, it sends a copy to recipients whose addresses are visible to everyone on the email, primarily to keep them informed (in the loop) without needing a direct reply.
34. What is the full form of PDA?
A) Personal Device Assistange
B) Personal Digital Assistant
C) Portable Digital Assistant
D) Portable Assistance Device
Answer: B
Explanation: PDA most commonly stands for Personal Digital Assistant, a handheld device for organizing info, but can also mean Public Display of Affection, Pathological Demand Avoidance (in psychology), or even Pushdown Automata (in computer science), depending on the context, with its original tech meaning being superseded by modern smartphones.
35. SSL stands for:
A) Secure Socket Layer
B) Secure System Link
C) Standard Socket Layer
D) Secure Service Layer
Answer: A
Explanation: a fundamental security protocol that encrypts communication between web browsers and servers, ensuring private and secure data exchange (like passwords, credit card info) over the internet.
36. What is the full form of AVI?
A) Audio Video Interface
B) Audio Video Interleave
C) Active Video Integrated
D) Audio and Visual Information
Answer: B
Explanation: a multimedia container format by Microsoft that holds synchronized audio and video data in a single file, allowing for simultaneous playback
37. What is the full form of CD?
A) Computer Disc
B) Cathode Drum
C) Compact Disc
D) Central Data
Answer: C
Explanation: It is an optical storage medium used for storing digital data, such as audio, video, and software programs.
38. What is the full form of CD-ROM?
A) Compact Data ROM
B) Computerized Data ROM
C) Compact Disc ROM
D) Credible Data ROM
Answer: C
Explanation: Compact Disc Read-Only Memory, meaning it’s a small, optical disc that stores large amounts of pre-recorded data (like software, games, audio, video) which can only be read by a computer and not easily changed or erased by the user, notes Prepp, Lenovo and Testbook.
39. What is full form of BMP ?
A) Byte map
B) Bit map
C) Byte map process
D) Bit map process
Answer: B
Explanation: BMP is most commonly Bitmap, referring to a raster graphics image file format for storing digital images, especially on Windows systems.
40. What is meaning of FORTRAN ?
A) Formula train
B) Formula translation
C) Formula train network
D) Formula translation network
Answer: B
Explanation: It is a high-level, general-purpose programming language that was the first of its kind to be widely used and remains popular for numerical computation and scientific computing applications.
41. What is full form of USB ?
A) Unicoded Smart Bus
B) Universal Smart Bus
C) Unicoded Serial Bus
D) Universal Serial Bus
Answer: D
Explanation: It is an industry-standard specification for cables, connectors, and communication protocols used to connect, communicate with, and supply power to electronic devices such as computers, printers, cameras, and smartphones.
42. What is full form of ISDN ?
A) Integrated Services Digital Network
B) Integrated Services Double Network
C) Inter Services Digital Network
D) Integrated Server Digital Network
Answer: A
Explanation: a telecommunications standard allowing simultaneous digital transmission of voice, video, and data over traditional phone lines, integrating multiple services onto one digital connection for faster, clearer communication than older analog systems.
43. HTTP stands for:
A) Hyper Text Transfer Protocol
B) High Transfer Text Protocol
C) Hyper Terminal Transmission Protocol
D) Hyper Text Transmission Process
Answer: A
Explanation: It works on a client-server model, where your browser (client) requests a webpage, and the server sends it back using HTTP.
44. What is full form of ROM ?
A) Read other memcache
B) Read only memory
C) Read other memory
D) Read only memcache
Answer: B
Explanation: It is primarily used to store essential software instructions, known as firmware (such as the computer’s BIOS or UEFI), that are needed for a device to boot up and function correctly.
45. What is full form of ASCII?
A) American Special Computer for Information Interaction
B) American Standard Computer for Information Interchange
C) American Standard Code for Information Interchange
D) American Special Computer for Information Interchange
Answer: C
Explanation: a fundamental character encoding standard that assigns unique numbers (0-127) to letters, digits, punctuation, and control characters, enabling computers and devices to represent and exchange text universally.
46. What is full form of ERP?
A) Enterprise Retirement Planning
B) Enterprise Relationship Planning
C) Enterprise Recorder Planning
D) Enterprise Resource Planning
Answer: D
Explanation: ERP refers to a type of software system that organizations use to manage and integrate the core processes essential for running their businesses, such as finance, human resources, manufacturing, supply chain management, and procurement, within a single, unified platform.
47. What is full form of VIRUS?
A) Very Important Resource Under Search
B) Vital Information Resource Under Seize
C) Verify Integrated Result Until Source
D) Very Important Record User Searched
Answer: B
Explanation: Vital Information Resources Under Siege, describing how malicious software (malware) attacks and takes control of your important data and systems
48. What is the full form of LSI?
A) Local Scale Integration
B) Low Scale Integration
C) Large Scale Integration
D) Low Scale Internet
Answer: C
Explanation: referring to the technology of placing thousands of transistors on a single microchip in electronics, but it can also mean Latent Semantic Indexing in SEO or Language Studies International in education.
49. What is the full form of CRT?
A) Carbon Ray Tube
B) Cabin Ray Tube
C) Cathode Ray Tube
D) Crystal Ray Tube
Answer: C
Explanation: This technology was historically used in most televisions and computer monitors before being largely replaced by modern flat-screen displays.
50. What is the full form of ISP?
A) Internet Servant Provider
B) Internet Service Provider
C) Internet Service Protection
D) Internet Server Provider
Answer: B
Explanation: An ISP is a company that provides individuals and organizations with access to the internet and other related services for a fee.
51. What is the full form of KB?
A) Kernel Boot
B) Kit Bit
C) Kilo Byte
D) Key Block
Answer: C
Explanation: It is a common unit of digital information used to measure data storage and file sizes in computing.
52. What is the full form of RAM?
A) Read Access Memory
B) Read Anywhere Memory
C) Random Access Memory
D) Random Access Module
Answer: A
Explanation: RAM is a crucial type of computer memory used for temporary data storage while the computer is running
53. What is the full form of UNIVAC?
A) Unique Numerical Integrator and Computer
B) Universal Assumable Calculator
C) Universal Adding Calculator
D) Universal Automatic Computer
Answer: D
Explanation: Universal Automatic Computer, a significant early commercial computer developed by Eckert-Mauchly Computer Corporation (EMCC) for business and government data processing in the 1950s, known for its use in the U.S. Census Bureau and for predicting the 1952 presidential election.
54. What is the full form of WWW?
A) World Word Web
B) World Wide Web
C) World White Web
D) World Work Web
Answer: B
Explanation: It is an information system where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hyperlinks, and accessible over the Internet.
55. What is the full form of VGA?
A) Video Graphics Adapter
B) Video Graphics Array
C) Video Game Awards
D) Video Graphics Accelerator
Answer: B
Explanation: VGA is an analog video display standard and connector type that was introduced by IBM in 1987 as the primary interface between computers and monitors
56. What is the full form of ALGOL?
A) Advance logarithmic language
B) Algorithmic language
C) Algorithmic output language
D) Algorithmic operation language
Answer: B
Explanation: ALGOL is a family of high-level programming languages that were originally developed in the late 1950s for scientific computations and publishing algorithms.
57. What is full form of CSS?
A) Creative Style Shots
B) Creative Style Sheets
C) Cascading Style Sheets
D) Cascading Style Shots
Answer: C
Explanation: CSS is a style sheet language used to describe the presentation and visual appearance of a document written in a markup language such as HTML. It allows web developers to control the look and feel of a website.
58. What is the full form of IC?
A) Interrelated Circuit
B) Integrated Conductor
C) Integrated Conductor
D) Integrated Circuit
Answer: D
Explanation: An integrated circuit is also widely known as a microchip or simply a chip.
59. What is full form of PHP?
A) Processor Hypertext Program
B) Hypertext Preprocessor
C) Pre Hypertext Processor
D) Pre Processor Hypertext
Answer: B
Explanation: The full form of PHP in the context of the programming language is a recursive acronym for Hypertext Preprocessor.
60. What is full form of PDF?
A) Printed Document Format
B) Public Document Format
C) Portable Document Format
D) Published Document Format
Answer: C
Explanation: Developed by Adobe Systems in the early 1990s, the PDF format was created to provide a universal way to share documents that would look and print consistently across different devices, software, and operating systems
61. What is full form of SOAP?
A) Small Object Access Procedure
B) Simple Object Access Protocol
C) Simple Object Access Procedure
D) Small Object Access Protocol
Answer: B
Explanation: It is a messaging protocol specification that allows different applications and systems to communicate with each other over the internet, typically using XML for its message format.
62. What is full form of HTML?
A) Hyper Text Magic Line
B) Hyper Text Markup Line
C) Hyper Text Markup Language
D) High Text Markup Languageechanism
Answer: C
Explanation: HTML is the standard markup language used to create and structure content on the World Wide Web. It uses a system of tags to tell web browsers how to display text, images, links, and other elements as a formatted webpage.
63. What is full form of MAC?
A) Mass Access Control
B) Media Access Control
C) Mass Access Carraige
D) Media Access Carraige
Answer: B
Explanation: A MAC address is a unique, 48-bit hardware identifier assigned to a network interface card (NIC) by its manufacturer, used for communication within a local network segment (LAN).
64. What is full form of ISO?
A) International Systems Organization
B) International Standard Ora
C) Indian Standard Organization
D) International Standard Organization
Answer: D
Explanation: The name “ISO” is not an acronym; rather, it is derived from the Greek word isos (ίσος), meaning “equal”.
65. What is full form of CD?
A) Carried Disk
B) Compact Disk
C) Carried Data
D) Compact Data
Answer: B
Explanation: It is an optical disc used for storing digital data, such as audio, video, and software.
66. What is full form of ASP?
A) Active Service Process
B) Active Service Pages
C) Active Server Pages
D) None of above
Answer: C
Explanation: ASP refers to Microsoft’s first server-side scripting engine for creating dynamic and interactive web pages. This technology has since evolved into the more modern and powerful ASP.NET framework.
67. What is full form of RTC?
A) Real time clock
B) Real time check
C) Related to check
D) Related to clock
Answer: A
Explanation: The full form of RTC varies depending on the context, but the most common meanings are Real-Time Clock (in technology)
68. What is full form of UDP ?
A) User Data Process
B) User Data Protocol
C) User Datagram Process
D) User Datagram Protocol
Answer: D
Explanation: It is a core communication protocol within the Internet Protocol suite, used for transmitting data over a network.
69. What is full form of IP?
A) Intranet Process
B) Internet Process
C) Intranet Protocol
D) Internet Protocol
Answer: D
Explanation: It is a set of rules (a protocol) that governs the format of data sent over the internet or a local network.
70. What is full form of TCP?
A) Transmission Centric Protocol
B) Transfer Control Protocol
C) Transmission Control Protocol
D) Transmission Control Process
Answer: C
Explanation: It is a foundational component of the internet protocol suite (commonly known as TCP/IP) and is responsible for ensuring reliable, ordered, and error-checked delivery of data between devices over a network.
Transmission Control Protocol – Wikipedia
71. What is full form of ARP?
A) Address resolution protocol
B) Allied resolution protocol
C) Address resolution process
D) Address rectification protocol
Answer: A
Explanation: It is a crucial networking protocol used to map an Internet Protocol (IP) address to a physical Media Access Control (MAC) address within a local network.
72. What is full form of XML ?
A) Extensible Meria Letters
B) Extensible Media Language
C) Xtensible Markup Language
D) Extensible Markup Language
Answer: D
Explanation: It is a markup language that defines rules for encoding documents in a format that is both human-readable and machine-readable.
73. What is full form of SQL ?
A) Straight Query Langauge
B) Structured Query Langauge
C) Structured Query Laison
D) Structured Query Linear
Answer: B
Explanation: SQL is a standardized programming language used for managing and manipulating data in relational databases
74. What is full form of WMV?
A) Windows Media Video
B) Write Media Video
C) Write Many Video
D) Write Media Visual
Answer: A
Explanation: It is a compressed video container format and a series of proprietary codecs developed by Microsoft as part of the Windows Media framework.
75. What is full form ANSI?
A) American Nation Standard Instruction Codes
B) American National Standards Institute
C) Asian National Standard Instruction Codes
D) Asian Nations Standard Instruction Codes Kit
Answer: B
Explanation: It is a private, non-profit organization that coordinates the development and use of voluntary consensus standards for various products, services, and systems within the United States. ANSI also represents the U.S. in international standards bodies like the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).
76. What is full form of BASIC?
A) Basic All Purpose Symbolic Instruction Codes
B) Beginners All Purpose Symbolic Instruction Codes
C) Beginners All Purpose Symbolic Intelligent Codes
D) Beginners Anti Purpose Symbolic Instruction Codes
Answer: D
Explanation: It is an acronym for a family of general-purpose, high-level programming languages that were designed in the mid-1960s to be easy for non-technical users and students to learn and use
77. What is full form of BPS?
A) Bytes Per Second
B) Bits Per Second
C) Bytes Pro Second
D) Bits Per Secure
Answer: B
Explanation: In computing and telecommunications, bps (usually lowercase) is a unit of data transfer speed. It measures the number of binary digits (bits) conveyed or processed per second, commonly used to express internet speed or network bandwidth.
78. What is full form of COMPUTER?
A) Competent Operated Machine Particularly Used for Technical Education and Research
B) Commonly Operated Machine Particularly Used for Technical Education and Research
C) Commonly Operated Machine Particularly Used for Trade Education and Research
D) Commonly Operated Machine Particularly Used for Technical Electron and Research
Answer: B
Explanation: “Common Operating Machine Purposely Used for Technological and Educational Research”.
79. What is full form of FM?
A) Frequent Modulation
B) Frequency Modulation
C) Frequency Method
D) Frequency Molecules
Answer: B
Explanation: This term is widely used in radio broadcasting and telecommunications to describe a method of encoding information onto a carrier wave by varying its frequency.
80. What is full form of DARPA?
A) Digital Advance Research Project Agency
B) Digital Arithmetic Research Project Agency
C) Defense Advance Research Project Agent
D) Defense Advance Research Project Agency
Answer: D
Explanation: It is an agency of the U.S. Department of Defense responsible for the development of new technologies for use by the military.
81. What is full form of DRAM?
A) Duo Random Access Memory
B) Dynamic Random Access Memory
C) Different Random Access Memory
D) Defacto Random Access Memory
Answer: B
Explanation: It is a type of volatile memory commonly used as the main memory (RAM) in computers, laptops, smartphones, and other digital devices.
82. What is full form of FAT?
A) Frequent Allocation Table
B) File Allocated Table
C) File Allocation Table
D) File Allocation Theory
Answer: C
Explanation: It is a file system architecture used by operating systems to store and manage files on drives and memory cards. Common variants include FAT12, FAT16, FAT32, and exFAT.
83. What is full form of NOS?
A) New Operating System
B) Network Operating Source
C) Network Operating System
D) Network Original System
Answer: C
Explanation: In computing, this refers to a specialized operating system that manages network resources and allows multiple computers to communicate and share files/printers on a network.
84. What is full form of PSTN?
A) Process Switched Telephone Network
B) Public Switched True Network
C) Public Serial Telephone Network
D) Public Switched Telephone Network
Answer: D
Explanation: This is the traditional, global, circuit-switched network that has provided voice communication services via landlines for over a century. It is also commonly known as the Plain Old Telephone Service (POTS).
85. What is full form of OMR?
A) Optical Mark Registers
B) Optical Mark Recognition
C) Optical Meter Recognition
D) Oral Mark Recognition
Answer: B
Explanation: OMR devices (scanners) work by detecting the presence or absence of marks in predefined positions by measuring the reflection of light.
86. What us full form of GOOGLE?
A) Global Orient Of Oriented Group Language Of Earth
B) Global Organization Of Oriented Group Language Of Earth
C) Global Orient Of Oriented Group Language Of Earth
D) Global Oriented Of Organization Group Language Of Earth
Answer: D
Explanation: GOOGLE is an acronym for Global Organization of Oriented Group Language of Earth.
87. What is full form of YAHOO?
A) Yet Another Hierarchical Officio Oracular
B) Yahoo Another Hierarchical Officious Oracle
C) Yet Another Hierarchical Officious Oracular
D) Yet Another Hierarchical Officious Oracle
Answer: D
Explanation: Yet Another Hierarchical refers to how the original Yahoo database was arranged in layers of categories and subcategories.
Officious describes the many office workers who would use the internet (and the Yahoo directory) from work.
Oracle means a source of wisdom and truth.
88. What is full form of ESN?
A) Electronic System Number
B) Electronic Serial Number
C) Electronic Serial Network
D) Equipment Serial Number
Answer: B
Explanation: A 32-bit unique identifier embedded in the microchip of wireless phones (primarily CDMA phones, as GSM phones use IMEI) to prevent fraud and track devices.
89. What is full form of IMEI?
A) International Mobile Equipment Information
B) International Mobile Equipment Identity
C) International Mobile Educational Identity
D) International Machine Equipment Identity
Answer: B
Explanation: It is a unique, typically 15-digit number assigned to every mobile phone and cellular-enabled device, serving as a distinct identifier (like a vehicle identification number for a car). This number helps network operators identify valid devices and can be used to block lost or stolen phones from accessing the network, even if the SIM card is changed.
90. What is the full form of DSL?
A) Developer Structural Language
B) Data Sequence Latency
C) Design System Language
D) Digital Subscriber Line
Answer: D
Explanation: It is a type of broadband internet connection that transmits data over existing copper telephone lines without interfering with voice calls, by using different frequency bands for each service.
91. What is the full form of GIF?
A) Graphical Interface Format
B) Global Internet Format
C) Global Interface Format
D) Graphics Interchange Format
Answer: D
Explanation: It is a widely used bitmap image format, developed by CompuServe in 1987, best known for its ability to support short, looping animations and transparency.
92. What is the full form of HD?
A) Hyper Data
B) Hidden Data
C) Hard Data
D) High Definition
Answer: D
Explanation: The most common full form of HD is High Definition, which primarily relates to the resolution and quality of video and images on electronic displays.
93. What is the full form of IBM?
A) International Business Markup Language
B) Indian Basic Machines
C) International Business Machines
D) Individual Business Machines
Answer: B
Explanation: IBM is an American multinational technology company headquartered in Armonk, New York, known for developing computer hardware, software, and offering advanced IT services and consulting.
94. What is the full form of LCD?
A) Liquid Clear Display
B) Live and Current Display
C) Language Development Code
D) Liquid Crystal Display
Answer: D
Explanation: An LCD is a type of flat-panel display technology used in many electronic devices, including televisions, computer monitors, smartphones, and calculators. It works by using liquid crystals to control the passage of light from a backlight to create images on the screen.
95. What is the full form of OS?
A) Opening Service
B) Operator System
C) Organized System
D) Operating System
Answer: D
Explanation: An operating system is the core software that manages computer hardware and software resources and provides common services for computer programs. It acts as an intermediary between the user and the computer’s hardware, ensuring the system functions properly.
96. What is the full form of MPEG?
A) Machine Parameter Expert Group
B) Moving Picture Experts Group
C) Modular Presentation Experts Group
D) Mobile Picture Experience Group
Answer: B
Explanation: It is a working group of experts established by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) to develop and set standards for digital audio and video compression and transmission
97. What is the full form of PC?
A) Powerful Computer
B) Powerful Compiler
C) Personal Compiler
D) Personal Computer
Answer: D
Explanation: The term is widely used in technology and refers to a general-purpose computer designed for individual use, as opposed to larger, shared systems like mainframes.
98. What is the full form of “PnP”?
A) Pre Play
B) Programming and Performance
C) Plug and Play
D) Personal Project
Answer: C
Explanation: A technology that allows a computer to automatically detect and configure a new hardware device with minimal user intervention. This is common for USB devices like keyboards and printers.
99. What is the full form of DPI?
A) Dots Per Inch
B) Digital Personal Interface
C) Directional Internet Page
D) DeskTop Publishing Inc
Answer: A
Explanation: It is a crucial measurement in digital imaging and printing, and the term also has other full forms depending on the context.
100. What is the full form of CRC?
A) Computerised Redundancy Checker
B) Realtime Cycle Command
C) Cyclic Redundancy Check
D) Command and Relevant Control
Answer: C
Explanation: This is an error-detecting code used in digital networks and storage devices to detect accidental changes or corruption to digital data. It generates a short checksum value based on the data which is used for verification upon retrieval or reception.