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

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

Question # 2

Belady anomaly occurs in

Question # 3

Which is the most important for Multi taskiing.

Question # 4

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 # 5

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

Question # 6

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

Question # 7

Which operating system use write through catches.

Question # 8

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

Question # 9

All the abbreviations is vi editor can be shown by

Question # 10

Creating a job queue is a function of

Question # 11

Problem of thrashing is affected significantly by

Question # 12

Remote computing services involves the use of time sharing and

Question # 13

What are the global locks.

Question # 14

Dijkstra's algorithm deals with

Question # 15

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

Question # 16

Spooling most beneficial where

Question # 17

For multiprogramming operating system.

Question # 18

Which type of software can be used to merge data of two files in one files.

Question # 19

Which command reads the content of another file in vi editor .

Question # 20

Which process is known for initializing a microcomputer with its OS.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 A series of statements explaining how the data is to be processed is called.
A. Instruction
B. Compiler
C. Program
D. Interpretor
2 Which process is known for initializing a microcomputer with its OS.
A. Cold booting
B. Boot recording
C. Booting
D. Warm booting
3 Which technique is used by operating systems to execute several program concurrently by switching back and forth.
A. Partitioning
B. Multitasking
C. Windowing
D. Paging
4 Which of the following is always there in a computer.
A. Batch system
B. Operating system
C. Time sharing system
D. Controlling system
5 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
6 Which command is used to know the LINUX version.
A. Uname
B. Vname
C. Iname
D. s name
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 In the shell , by default all variables are considered and stored as.
A. Integer
B. String
C. Float
D. Chracter
9 In real time OS, which is most suitable scheduling scheme.
A. Round robin
B. FCFS
C. Pre-emptive scheduling
D. Random scheduling
10 Which command is used to set limits on file size.
A. U limit
B. Alimit
C. dlimit
D. wilmit

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