PPSC Computer Science Topic 19 MCQ's Test Preparation

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MCQ's Test For PPSC Computer Science Topic 19 Operating System

Try The MCQ's Test For PPSC Computer Science Topic 19 Operating System

  • Total Questions20

  • Time Allowed20

PPSC Computer Science Topic 19 Operating System

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Question # 1

Which command is concerned with LINUX kernel log messages.

Question # 2

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

Question # 3

Which among following is considered as super daemon.

Question # 4

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

Question # 5

A hardware device which is capable of executing a sequence of instructions, is known as.

Question # 6

Creating a job queue is a function of

Question # 7

Seek analysis is for.

Question # 8

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

Question # 9

Dijkstra's algorithm deals with

Question # 10

Which command is used to know the LINUX version.

Question # 11

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

Question # 12

Daisy chain is a device for

Question # 13

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

Question # 14

Fragmentation of a file system.

Question # 15

Which of following is not an advantage of multiprogramming.

Question # 16

Which of the following does not interrupt an running process.

Question # 17

For multiprogramming operating system.

Question # 18

Which type of software can be used to merge data of two files in one files.

Question # 19

What are the global locks.

Question # 20

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

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Remote computing services involves the use of time sharing and
A. Multiprocessing
B. Interactive processing
C. Batch processing
D. Real time processing
2 All device files are stored in which directory.
A. /etc
B. /dev
C. /www
D. /html
3 Which scheduling policy is most suitable for time shared operating system.
A. Shortest job first
B. FCFS
C. LCFS
D. Round robin
4 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
5 Kernel minimizes the frequency of disk access by keeping a pool of internal data buffer which helps to increase the response time this is known as.
A. Buffer cache
B. Spooling
C. Pooling
D. Virtual memory
6 File record length
A. Should be chosen to match the data characteristics
B. Should be fixed
C. Should be variable
D. Vary system to system
7 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
8 What is meaning of ILP32
A. 32 bit integrated Long & Pointer
B. 32 bit integer long & pointer
C. 32 bit integer Long & Point
D. 32 bit integer , Lost & pointer
9 Which command is used to set limits on file size.
A. U limit
B. Alimit
C. dlimit
D. wilmit
10 Which is the most important for Multi taskiing.
A. Modularity
B. Time sharing
C. Multi programming
D. Multi user

Test Questions