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

Which is non pre emptive

Question # 2

Creating a job queue is a function of

Question # 3

Which command is used to determine the path of an executable file.

Question # 4

In which of the following usually a front end processor is used.

Question # 5

The part of machine level instruction which tells the central processor what has to be done is.

Question # 6

Which command is used to know the LINUX version.

Question # 7

A high paging rate

Question # 8

Tee command is used in LINUX for.

Question # 9

Scissoring enables

Question # 10

Which command is LINUX is concerned with backup.

Question # 11

Distributed systems should.

Question # 12

Which of following need a device driever.

Question # 13

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

Question # 14

Four necessary conditions for dead lock are none pre emption circular wait and

Question # 15

Which among following is considered as super daemon.

Question # 16

What is the meaning of SVR 4

Question # 17

Which command is used to copy files.

Question # 18

Which command in LINUX is used for description any command.

Question # 19

Which of the following does not interrupt an running process.

Question # 20

In the shell , by default all variables are considered and stored as.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Distributed systems should.
A. Meet time constraints
B. Aim better resource sharing
C. Aim better system utilization
D. Aim low system overhead
2 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
3 Which command is used to determine the path of an executable file.
A. which
B. whom
C. locate
D. wex
4 The part of machine level instruction which tells the central processor what has to be done is.
A. Operation code
B. Address
C. Locator
D. Flip flop
5 How many links are created when we create a directory file.
A. 1
B. 2
C. 3
D. 4
6 Multiprogramming system
A. Are easier to develop than signal programming system.
B. Execute each job faster
C. Execute more jobs in the same time
D. Are used only on large main frame computers.
7 Which command is used to set limits on file size.
A. U limit
B. Alimit
C. dlimit
D. wilmit
8 Which scheduling policy is most suitable for time shared operating system.
A. Shortest job first
B. FCFS
C. LCFS
D. Round robin
9 Remote computing services involves the use of time sharing and
A. Multiprocessing
B. Interactive processing
C. Batch processing
D. Real time processing
10 Which among the following is used to write small program to control Linux Functionalities.
A. Shell commands
B. Shell script
C. C
D. Java

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