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

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

Question # 2

Which of following is not an advantage of multiprogramming.

Question # 3

Daisy chain is a device for

Question # 4

Scissoring enables

Question # 5

Banker's algorithm deals with

Question # 6

File record length

Question # 7

Which command is used to set terminal input output characteristics

Question # 8

Spooling most beneficial where

Question # 9

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

Question # 10

A high paging rate

Question # 11

By which command content of a file can be searched.

Question # 12

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

Question # 13

Which scheduling policy is best suited for time sharing operating system.

Question # 14

Which one shows the name of the operating system.

Question # 15

All the abbreviations is vi editor can be shown by

Question # 16

Which of the following is always there in a computer.

Question # 17

If two files on same partition point to the same inode structure they are called.

Question # 18

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

Question # 19

Which of the following memory allocation scheme is subject to external fragmentation.

Question # 20

What control character signals the end of the input file.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Belady anomaly occurs in
A. Optimal replacement
B. FIFO
C. LRU
D. Both in FIFO and LRU
2 Distributed systems should.
A. Meet time constraints
B. Aim better resource sharing
C. Aim better system utilization
D. Aim low system overhead
3 Solaris is product of.
A. IBP
B. IBM
C. Microsoft
D. Sun microsystmes
4 A thread is.
A. Lightweight process where the context switching is low
B. Lightweight process where the context switching is high
C. Used to speed up paging
D. Used in dead locks
5 Which of the following is always there in a computer.
A. Batch system
B. Operating system
C. Time sharing system
D. Controlling system
6 Which of following need a device driever.
A. Cache
B. Disk
C. Main memory
D. Registers
7 Which command is used to know the LINUX version.
A. Uname
B. Vname
C. Iname
D. s name
8 How many links are created when we create a directory file.
A. 1
B. 2
C. 3
D. 4
9 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
10 A hardware device which is capable of executing a sequence of instructions, is known as.
A. CPU
B. ALU
C. CU
D. Processor

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