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

Seek analysis is for.

Question # 2

Distributed system should.

Question # 3

Printer in the file structure can be found in.

Question # 4

Which command in LINUX is used for description any command.

Question # 5

Re location bits used by relocating loader are a pacified by

Question # 6

What is meaning of ILP32

Question # 7

Which is non pre emptive

Question # 8

A publics key encryption system.

Question # 9

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

Question # 10

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

Question # 11

Which command changes a files group owner

Question # 12

Which technique is used by operating systems to execute several program concurrently by switching back and forth.

Question # 13

What control character signals the end of the input file.

Question # 14

A series of statements explaining how the data is to be processed is called.

Question # 15

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

Question # 16

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

Question # 17

Which command is used to know the LINUX version.

Question # 18

Dirty bit is used ot show

Question # 19

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

Question # 20

A thread is.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 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
2 Remote computing services involves the use of.
A. Multi processing
B. Multi programming
C. Batch processing
D. Real time processing
3 Which command is used to copy files.
A. cp
B. copy
C. mv
D. move
4 Which command is used to set terminal input output characteristics
A. Atty
B. stty
C. dtty
D. itty
5 Seek analysis is for.
A. Paging issues
B. Device busy problems
C. Control unit busy problems
D. All of above
6 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
7 Semaphores are used to solve the problem of.
A. Race condition
B. Process synchronization
C. Mutual exclusion
D. Belady problem
8 Memory protection is normally done by
A. The processor and the associated hardware
B. The operating system
C. The compiler
D. The user program
9 Which one shows the name of the operating system.
A. U name -n
B. Uname -I
C. U name - m
D. U name -o
10 What are the global locks.
A. They synchronize access to local resources.
B. They synchronize access to global resources
C. They synchronize access to local and global resources
D. None of above

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