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

Spooling most beneficial where

Question # 2

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

Question # 3

Memory protection is normally done by

Question # 4

Remote computing services involves the use of.

Question # 5

Which of following is not an advantage of multiprogramming.

Question # 6

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

Question # 7

Re location bits used by relocating loader are a pacified by

Question # 8

Remote computing services involves the use of time sharing and

Question # 9

All device files are stored in which directory.

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Which command is concerned with LINUX kernel log messages.

Question # 14

Which of the following does not interrupt an running process.

Question # 15

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

Question # 16

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

Question # 17

For multiprogramming operating system.

Question # 18

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

Question # 19

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 # 20

What is the meaning of SVR 4

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Four necessary conditions for dead lock are none pre emption circular wait and
A. Mutual exclusion
B. Race condition
C. Buffer overflow
D. None of above
2 Problem of thrashing is affected significantly by
A. Program structure
B. Program size
C. Primary storage size
D. All of above
3 Which is non pre emptive
A. Round robin
B. FIFO
C. MS
D. MSF
4 Solaris is product of.
A. IBP
B. IBM
C. Microsoft
D. Sun microsystmes
5 What is meaning of ILP32
A. 32 bit integrated Long & Pointer
B. 32 bit integer long & pointer
C. 32 bit integer Long & Point
D. 32 bit integer , Lost & pointer
6 What communication command provides communication to another user logged on by writing to the bottom of their terminal
A. Chat
B. Talk
C. Write
D. Sending
7 A hardware device which is capable of executing a sequence of instructions, is known as.
A. CPU
B. ALU
C. CU
D. Processor
8 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
9 Which command in vi editor command is used to copy the current line of the file.
A. ys
B. yy
C. yc
D. yw
10 In which of the following usually a front end processor is used.
A. Virtual storage
B. Time sharing
C. Multi programming
D. Multi heading

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