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

Dijkstra's algorithm deals with

Question # 2

Which command is used to set limits on file size.

Question # 3

Re location bits used by relocating loader are a pacified by

Question # 4

Remote computing services involves the use of.

Question # 5

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

Question # 6

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

Question # 7

What is the meaning of SVR 4

Question # 8

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

Question # 9

Creating a job queue is a function of

Question # 10

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

Question # 11

Which is not a valid file type in LINUX.

Question # 12

The part of machine level instruction which tells the central processor what has to be done is.

Question # 13

Tee command is used in LINUX for.

Question # 14

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

Question # 15

What is property of UNIX.

Question # 16

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

Question # 17

Daisy chain is a device for

Question # 18

Which one shows the name of the operating system.

Question # 19

Belady anomaly occurs in.

Question # 20

A thread is.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Multiprogramming system
A. Are easier to develop than signal programming system.
B. Execute each job faster
C. Execute more jobs in the same time
D. Are used only on large main frame computers.
2 All device files are stored in which directory.
A. /etc
B. /dev
C. /www
D. /html
3 In which of the following usually a front end processor is used.
A. Virtual storage
B. Time sharing
C. Multi programming
D. Multi heading
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 Which command is concerned with LINUX kernel log messages.
A. dmsg
B. dmesg
C. cmsg
D. cmesg
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 In which scheduling policies context switching never takes place
A. FCFS
B. Round robin
C. Shortest job first
D. Pre empitive
8 Which command reads the content of another file in vi editor .
A. erd
B. ex
C. r
D. read
9 What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.
A. Defined values
B. Fixed values
C. Default values
D. None of the above
10 To display disk consumption of a specific directory which command is used.
A. dd
B. du
C. dt
D. di

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