MCQ | Operating System Part 2

Operating System - PART 2

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1. BY _____ signal CPU suspend the current execution and divert to the request process

A. Switch
B. Interrupt
C. End
D. Suspend

  [NET]

Answer: B - Interrupt

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2. Which is the element of cache

A. Cache size and Block size
B. Mapping function
C. Replacement algorithm
D. All of the above

  [NET]

Answer: D - All of the above

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3. Select the valid I/O communication technique

A. Direct memory access
B. Interrupt driven I/O
C. Programmed I/O
D. All of the above

  [NET]

Answer: D - All of the above

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4. In multi-programming environment the main memory consist of _____ number of process

A. >500
B. >100
C. only one
D. more than one

  [NET]

Answer: D - more than one

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5. At the time of execution a program is called

A. A Process
B. Dynamic program
C. Static program
D. Program binding

  [NET]

Answer: A - A Process

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6. A technique in which a process executing an application is divided into threads that can run concurrently is called

A. Dynamic threading
B. Static threading
C. Multi threading
D. All the above

  [NET]

Answer: C - Multi threading

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7. Operating system that provide the distributed file system is called

A. Distributed operating system
B. Multi operating system
C. uni Operating system
D. Dual operating system

  [NET]

Answer: A - Distributed operating system

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8. GUI means

A. Geographical user interface
B. Graphical user interface
C. Graphical user interconnection
D. None of these

  [NET]

Answer: B - Graphical user interface

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9. _____ convert high level language to low level language

A. Compiler
B. Assembler
C. Interpreter
D. None of these

  [NET]

Answer: A - Compiler

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10. When an interrupt occurs the operating system

A. Always changes state of interrupted process after processing the interrupt
B. Ignores the interrupt
C. Always resumes execution of interrupted process after processing the interrupt
D. None of these

  [NET]

Answer: C - Always resumes execution of interrupted process after processing the interrupt

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