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

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Question # 1

To avoid the race condition the number of process that may be simultaneously inside the critical section is

Question # 2

What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition.

Question # 3

Re location bits used by relocating loader are a pacified by

Question # 4

Which of the following does not interrupt an running process.

Question # 5

A series of statements explaining how the data is to be processed is called.

Question # 6

Which of the following memory allocation scheme is subject to external fragmentation.

Question # 7

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

Question # 8

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

Question # 9

Which command is used to extract a column from a text file.

Question # 10

By which command content of a file can be searched.

Question # 11

Which LINUX command is used to update the modification time of a file.

Question # 12

Shortest job First executes first the job.

Question # 13

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

Question # 14

Seek analysis is for.

Question # 15

Belady anomaly occurs in

Question # 16

Banker's algorithm deals with

Question # 17

Which one shows the name of the operating system.

Question # 18

In which scheduling policies context switching never takes place

Question # 19

Tee command is used in LINUX for.

Question # 20

which option of 'grep' displays the line number as well.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Main function of shared memory is.
A. To use primary memory efficiently
B. To do intra process communication
C. All of above
D. None
2 How applications communicates with kernel.
A. Not disclosed by linux team
B. SSL
C. System calls
D. Shell
3 which option of 'grep' displays the line number as well.
A. -n
B. -i
C. -d
D. -al
4 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
5 To avoid the race condition the number of process that may be simultaneously inside the critical section is
A. 1
B. 3
C. 0
D. 12
6 How many links are created when we create a directory file.
A. 1
B. 2
C. 3
D. 4
7 Size of virtual memory depends on
A. Size of data bus
B. Size of address bus
C. Size of main memory
D. None of above
8 Macintosh computer uses
A. System 7.0
B. AU/X
C. Xenix
D. None
9 Which command in LINUX is used for description any command.
A. Help
B. Man
C. Detail
D. Short detail
10 Which process is known for initializing a microcomputer with its OS.
A. Cold booting
B. Boot recording
C. Booting
D. Warm booting

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