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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  • Total Questions20

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PPSC Computer Science Topic 19 Operating System

00:00
Question # 1

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

Question # 2

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

Question # 3

A high paging rate

Question # 4

Solaris is product of.

Question # 5

Which command is used to copy files.

Question # 6

Which one shows the name of the operating system.

Question # 7

Which among the following is used to write small program to control Linux Functionalities.

Question # 8

In vi editor which command sets the number for all lines.

Question # 9

Which is not a valid file type in LINUX.

Question # 10

Which command reads the content of another file in vi editor .

Question # 11

Main function of shared memory is.

Question # 12

By which command content of a file can be searched.

Question # 13

How many links are created when we create a directory file.

Question # 14

In which scheduling policies context switching never takes place

Question # 15

Creating a job queue is a function of

Question # 16

Semaphores are used to solve the problem of.

Question # 17

Which command is concerned with LINUX kernel log messages.

Question # 18

What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.

Question # 19

Default permissions of file can be changed with.

Question # 20

Multiprogramming system

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Seek analysis is for.
A. Paging issues
B. Device busy problems
C. Control unit busy problems
D. All of above
2 Which of following is not an advantage of multiprogramming.
A. Increased through out
B. Shorter response time
C. Ability to assign priories of jobs
D. Decreased system overload
3 Which command changes a files group owner
A. chmod
B. chgrp
C. chown
D. chgrep
4 What is the meaning of SVR 4
A. System five release 4
B. System version release 4
C. System five relocated 4
D. Storage files five release 4
5 When did IBM released the first version of its disk operating system DOS version 1.0
A. 1981
B. 1982
C. 1983
D. 1984
6 What is the name of values that are automatically provided by software to reduce keystrokes.
A. Data values
B. Default values
C. Defined values
D. Fixed vallues
7 What is property of UNIX.
A. Multi user
B. Multi processes
C. Multi tasking
D. All of above
8 By which command content of a file can be searched.
A. grep
B. search
C. srh
D. show
9 Dijkstra's algorithm deals with
A. Mutual exclusion
B. Dead lock avoidance
C. Dead lock recovery
D. Real time processing
10 Remote computing services involves the use of.
A. Multi processing
B. Multi programming
C. Batch processing
D. Real time processing

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