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

Dynamic allocation of storage areas with VSAM files is accomplished by

Question # 2

How applications communicates with kernel.

Question # 3

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

Question # 4

Reference bit is used for

Question # 5

What are the global locks.

Question # 6

Which command is used to set terminal input output characteristics

Question # 7

What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.

Question # 8

When did IBM released the first version of its disk operating system DOS version 1.0

Question # 9

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

Question # 10

By which of following the problem of thrashing is significantly affected.

Question # 11

Shortest job First executes first the job.

Question # 12

File record length

Question # 13

Dijkstra's algorithm deals with

Question # 14

File inode number can be viewed by.

Question # 15

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

Question # 16

Which command changes a files group owner

Question # 17

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

Question # 18

A high paging rate

Question # 19

Daisy chain is a device for

Question # 20

Which command in LINUX is used for description any command.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Which command is used to copy files.
A. cp
B. copy
C. mv
D. move
2 Distributed system should.
A. High security
B. Have better resource sharing
C. Better system utilization
D. Low system overhead
3 Which type of software can be used to merge data of two files in one files.
A. System software
B. Networking software
C. Documenting software
D. utility software
4 Fragmentation of a file system.
A. Occurs only is file is not used properly
B. Can always the prevented
C. Happens in all file systems.
D. Can be removed by conmpaction
5 Seek analysis is for.
A. Paging issues
B. Device busy problems
C. Control unit busy problems
D. All of above
6 Which one shows the name of the operating system.
A. U name -n
B. Uname -I
C. U name - m
D. U name -o
7 Which command gives the first byte where the difference is in the file 1 & file2
A. Diff
B. differ
C. Cmp
D. Compare
8 Which of the following is always there in a computer.
A. Batch system
B. Operating system
C. Time sharing system
D. Controlling system
9 Which among the following is used to write small program to control Linux Functionalities.
A. Shell commands
B. Shell script
C. C
D. Java
10 A series of statements explaining how the data is to be processed is called.
A. Instruction
B. Compiler
C. Program
D. Interpretor

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