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 the most important for Multi taskiing.

Question # 2

Distributed system should.

Question # 3

Spooling most beneficial where

Question # 4

All the abbreviations is vi editor can be shown by

Question # 5

If two files on same partition point to the same inode structure they are called.

Question # 6

Which command in vi editor command is used to copy the current line of the file.

Question # 7

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

Question # 8

Size of virtual memory depends on

Question # 9

Which of the following is always there in a computer.

Question # 10

Solaris is product of.

Question # 11

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

Question # 12

Multiprogramming system

Question # 13

The system calls in UNIX is written using which language.

Question # 14

A thread is.

Question # 15

Semaphores are used to solve the problem of.

Question # 16

Dijkstra's algorithm deals with

Question # 17

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

Question # 18

Kernel minimizes the frequency of disk access by keeping a pool of internal data buffer which helps to increase the response time this is known as.

Question # 19

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

Question # 20

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

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Shortest job First executes first the job.
A. With the least processor needs
B. That first entered the queue
C. That has been in the queue for the longest
D. That last entered the queue
2 Which command reads the content of another file in vi editor .
A. erd
B. ex
C. r
D. read
3 Seek analysis is for.
A. Paging issues
B. Device busy problems
C. Control unit busy problems
D. All of above
4 Which one is true.
A. The linkage editor is used to edit program which have to later link together.
B. The linkage editor links object module during compling
C. The linkage editor links objects modules and resolves external reference between them before loading.
D. None of above
5 Main function of shared memory is.
A. To use primary memory efficiently
B. To do intra process communication
C. All of above
D. None
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 Daisy chain is a device for
A. Connecting a number of controllers to a device
B. Connecting a number of device to a controller
C. all of above
D. None of above
8 What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition.
A. One
B. Two
C. Three
D. Four
9 Remote computing services involves the use of.
A. Multi processing
B. Multi programming
C. Batch processing
D. Real time processing
10 A high paging rate
A. May cause a high I/O rate
B. Keeps the system running well
C. Is a symptom of too much processor activity
D. Always creates a slow system.

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