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

Reference bit is used for

Question # 2

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

Question # 3

Memory protection is normally done by

Question # 4

Re location bits used by relocating loader are a pacified by

Question # 5

The system calls in UNIX is written using which language.

Question # 6

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

Question # 7

To display disk consumption of a specific directory which command is used.

Question # 8

Which is not a valid file type in LINUX.

Question # 9

Which is signal user operating system.

Question # 10

What is the meaning of SVR 4

Question # 11

Which of the following does not interrupt an running process.

Question # 12

Fragmentation of a file system.

Question # 13

Poor response times are caused by

Question # 14

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

Question # 15

Distributed system should.

Question # 16

What is the name of values that are automatically provided by software to reduce keystrokes.

Question # 17

File inode number can be viewed by.

Question # 18

Which among the following is used to write small program to control Linux Functionalities.

Question # 19

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

Question # 20

Dijkstra's algorithm deals with

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Which scheduling policy is best suited for time sharing operating system.
A. Shortest job first
B. Round robin
C. First come first serve
D. Elevator
2 Which command gives the first byte where the difference is in the file 1 & file2
A. Diff
B. differ
C. Cmp
D. Compare
3 Which command can be used to know the present working directory.
A. pad
B. pww
C. pwd
D. pdd
4 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.
5 Which command is used to set terminal input output characteristics
A. Atty
B. stty
C. dtty
D. itty
6 Creating a job queue is a function of
A. Spooler
B. Interpolator
C. Complier
D. Drive
7 Which scheduling policy is most suitable for time shared operating system.
A. Shortest job first
B. FCFS
C. LCFS
D. Round robin
8 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
9 The part of machine level instruction which tells the central processor what has to be done is.
A. Operation code
B. Address
C. Locator
D. Flip flop
10 Which process is known for initializing a microcomputer with its OS.
A. Cold booting
B. Boot recording
C. Booting
D. Warm booting

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