Operating System || OS Section 01 page-2

OS Section 01

Copying a process from memory to disk to allow space for other processes is called _________?

A.	Swapping
B.	Page fault
C.	Deadlock
D.	Demand paging

Answer: A

Details:

Swapping

Which of the following types of operating systems is non- interactive?

A.	Multitasking operating system
B.	Multi-user operating system
C.	Multiprogramming operating system
D.	Batch processing operating system

Answer: D

Details:

Batch processing operating system

The primary objective of a time-sharing operating system is to________?

A.	Provide fast response to the user of the computer
B.	Provide fast execution of processes
C.	Avoid thrashing
D.	Optimize computer memory usage

Answer: A

Details:

Provide fast response to the user of the computer

The real-time operating system, which of the following is the most suitable scheduling scheme?

A.	First come first serve
B.	Pre-emptive
C.	Round robin
D.	Random scheduling

Answer: B

Details:

Pre-emptive

The problem of indefinite blockage of low-priority jobs in general priority scheduling algorithm can be solved using:

A.	Dirty bit
B.	Aging
C.	Compaction
D.	Swapping

Answer: B

Details:

Aging

Time taken to switch between user and kernel models is _______ the time taken to switch between two processes.

A.	More than
B.	Equal to
C.	Less than
D.	Independent of

Answer: C

Details:

Less than

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