PPSC Computer Science Topic 19 MCQ's Test Preparation

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MCQ's Test For PPSC Computer Science Topic 19 Operating System

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PPSC Computer Science Topic 19 Operating System

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Question # 1

Remote computing services involves the use of time sharing and

Question # 2

A hardware device which is capable of executing a sequence of instructions, is known as.

Question # 3

What is the command that can print lines of first file matching with second file.

Question # 4

Which command changes a files group owner

Question # 5

Semaphores are used to solve the problem of.

Question # 6

Which of following need a device driever.

Question # 7

Tee command is used in LINUX for.

Question # 8

Which operating system reacts in the acutal time.

Question # 9

Which command can be used to know the present working directory.

Question # 10

Daisy chain is a device for

Question # 11

What are the global locks.

Question # 12

Distributed systems should.

Question # 13

What is meaning of ILP32

Question # 14

Which of the following is always there in a computer.

Question # 15

All device files are stored in which directory.

Question # 16

File record length

Question # 17

By which of following the problem of thrashing is significantly affected.

Question # 18

Remote computing services involves the use of.

Question # 19

Multiprogramming system

Question # 20

Belady anomaly occurs in

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 For multiprogramming operating system.
A. Special support from processor is essential
B. Special support from processor is not essential
C. Cache memory is essential
D. None of abvoe
2 Which command is used to record a user login session in a file.
A. script
B. Record
C. Copy
D. Session
3 Seek analysis is for.
A. Paging issues
B. Device busy problems
C. Control unit busy problems
D. All of above
4 Which command is used to set limits on file size.
A. U limit
B. Alimit
C. dlimit
D. wilmit
5 Which operating system use write through catches.
A. UNIX
B. XENIX
C. ULTRIX
D. DOS
6 Main function of shared memory is.
A. To use primary memory efficiently
B. To do intra process communication
C. All of above
D. None
7 Creating a job queue is a function of
A. Spooler
B. Interpolator
C. Complier
D. Drive
8 Which is signal user operating system.
A. MS-DOS
B. UNIX
C. XENIX
D. LINUX
9 Which of following need a device driever.
A. Cache
B. Disk
C. Main memory
D. Registers
10 Which is non pre emptive
A. Round robin
B. FIFO
C. MS
D. MSF

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