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1. How can you define Time Quantum in the following above?
A. The multilevel queue scheduling algorithm
B. Priority scheduling algorithm
C. Shortest job scheduling algorithm
D. Round-robin scheduling algorithm
ANSWER:D
SOLUTION : The period of time for which a process is allowed to run in a pre-emptive multitasking system is generally called the time slice or quantum. Each process is assigned a fixed time (Time Quantum/Time Slice) in cyclic way.
2. Which is Friendly user interface provided by operating system ______.
A. Graphical user interface
B. Command-line interface
C. Batch interface
D. None of these
ANSWER: A
SOLUTION:A graphical user interface (GUI) is generally considered to be the most user-friendly user interface provided by an operating system. I
3. The ___ tells the computer how to use its components.
A. Utility
B. Application
C. Operating system
D. Network
ANSWER:C
SOLUTION:The operating system (OS) tells the computer how to use its components. It is a program that acts as an interface between the software and computer hardware.
4. The physical devices of a computer :
A. Software
B. Package
C. Hardware
D. System Software
ANSWER:C
SOLUTION:The physical devices of a computer are hardware. Hardware is the term for the physical parts of a computer,
5. The function of an assembler is _______.
A. To convert basic language into machine language.
B. To convert high level language into machine language.
C. To convert assembly language into machine language.
D. To convert assemble language into high level language.
ANSWER:C
SOLUTION: An assembler’s function is to convert assembly language into machine language.
6. The operating system is the most common type of ___ software.
A. Communication
B. Application
C. System
D. Word-processing
ANSWER: C
SOLUTION: The operating system is the most common type of System software. System software is a set of computer programs that are designed to manage system resources.
7. The __ program is used to convert mnemonic code to machine code.
A. debug
B. C++
C. FORTRAN
D. Assembler
ANSWER: D
SOLUTION:The assembler program is used to convert mnemonic code to machine code. The assembler is a program that converts assembly language code into binary code, which the computer’s processor can use to perform basic operations.
8. Which of the following is not an example of system software?
A. Language Translator
B. Utility Software
C. Communication Software
D. Word Processors
ANSWER:D
SOLUTION: System software: The system software of the computer works as a platform for other software. The system builds communication between the hardware and the software.
9. What do you call a program in execution?
A. Command
B. Process
C. Task
D. Instruction
ANSWER: B
SOLUTION:A program in execution is called a process. A process is an active entity that corresponds to a program after it has been loaded into the main memory.