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

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

Question # 2

All the abbreviations is vi editor can be shown by

Question # 3

What control character signals the end of the input file.

Question # 4

Main function of shared memory is.

Question # 5

Which is signal user operating system.

Question # 6

Which one shows the name of the operating system.

Question # 7

Which scheduling policy is most suitable for time shared operating system.

Question # 8

Remote computing services involves the use of time sharing and

Question # 9

What are the global locks.

Question # 10

Remote computing services involves the use of.

Question # 11

Which command in LINUX is used for description any command.

Question # 12

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

Question # 13

if the CPU scheduling policy is FCFS then what would be average waiting time.

Question # 14

Which command is used to know the LINUX version.

Question # 15

Dirty bit is used ot show

Question # 16

Which of the following is always there in a computer.

Question # 17

Dijkstra's algorithm deals with

Question # 18

Which among following scheduling algorithms give minimum average waiting time.

Question # 19

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

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 If two files on same partition point to the same inode structure they are called.
A. Soft links
B. Hard links
C. Copy links
D. similar links
2 Shortest job First executes first the job.
A. With the least processor needs
B. That first entered the queue
C. That has been in the queue for the longest
D. That last entered the queue
3 Re location bits used by relocating loader are a pacified by
A. Relocating loader
B. Assembler
C. Translator
D. Linker
4 Which LINUX command is used to update the modification time of a file.
A. UPDATE
B. MODIFY
C. TOUCH
D. UNTOCUH
5 Which of the following does not interrupt an running process.
A. A device
B. Timer
C. Scheduler process
D. Power failure
6 In real time OS, which is most suitable scheduling scheme.
A. Round robin
B. FCFS
C. Pre-emptive scheduling
D. Random scheduling
7 Which is non pre emptive
A. Round robin
B. FIFO
C. MS
D. MSF
8 Which command is used to know the LINUX version.
A. Uname
B. Vname
C. Iname
D. s name
9 A series of statements explaining how the data is to be processed is called.
A. Instruction
B. Compiler
C. Program
D. Interpretor
10 Main function of shared memory is.
A. To use primary memory efficiently
B. To do intra process communication
C. All of above
D. None

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