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

Size of virtual memory depends on

Question # 2

Spooling most beneficial where

Question # 3

Which command is used to record a user login session in a file.

Question # 4

A publics key encryption system.

Question # 5

Remote computing services involves the use of.

Question # 6

What communication command provides communication to another user logged on by writing to the bottom of their terminal

Question # 7

Printer in the file structure can be found in.

Question # 8

Which of following is not an advantage of multiprogramming.

Question # 9

All device files are stored in which directory.

Question # 10

Fragmentation of a file system.

Question # 11

Seek analysis is for.

Question # 12

Which one shows the name of the operating system.

Question # 13

Which is non pre emptive

Question # 14

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

Question # 15

All the abbreviations is vi editor can be shown by

Question # 16

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

Question # 17

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

Question # 18

Which command in LINUX is used for description any command.

Question # 19

File can have.

Question # 20

Which one is true.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Which of following need a device driever.
A. Cache
B. Disk
C. Main memory
D. Registers
2 Dynamic allocation of storage areas with VSAM files is accomplished by
A. Hashing
B. Control splits
C. Over flow areas
D. Relative recording
3 Which command is used to set terminal input output characteristics
A. Atty
B. stty
C. dtty
D. itty
4 All the abbreviations is vi editor can be shown by
A. All
B. ab
C. atat
D. ashow
5 How many links are created when we create a directory file.
A. 1
B. 2
C. 3
D. 4
6 Which command is concerned with LINUX kernel log messages.
A. dmsg
B. dmesg
C. cmsg
D. cmesg
7 Which command can be used to know the present working directory.
A. pad
B. pww
C. pwd
D. pdd
8 Which command is used to set limits on file size.
A. U limit
B. Alimit
C. dlimit
D. wilmit
9 Main function of shared memory is.
A. To use primary memory efficiently
B. To do intra process communication
C. All of above
D. None
10 Which one shows the name of the operating system.
A. U name -n
B. Uname -I
C. U name - m
D. U name -o

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