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

Problem of thrashing is affected significantly by

Question # 2

Which command is LINUX is concerned with backup.

Question # 3

A high paging rate

Question # 4

File record length

Question # 5

Which one is true.

Question # 6

Which command is concerned with LINUX kernel log messages.

Question # 7

Which command in LINUX is used for description any command.

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

which option of 'grep' displays the line number as well.

Question # 12

Which command is used to know the LINUX version.

Question # 13

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

Question # 14

Which command is used to copy files.

Question # 15

A thread is.

Question # 16

The system calls in UNIX is written using which language.

Question # 17

Re location bits used by relocating loader are a pacified by

Question # 18

Which of the following is always there in a computer.

Question # 19

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

Question # 20

Main function of shared memory is.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
2 Which command reads the content of another file in vi editor .
A. erd
B. ex
C. r
D. read
3 Dynamic allocation of storage areas with VSAM files is accomplished by
A. Hashing
B. Control splits
C. Over flow areas
D. Relative recording
4 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
5 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
6 Which is non pre emptive
A. Round robin
B. FIFO
C. MS
D. MSF
7 Which among the following is used to write small program to control Linux Functionalities.
A. Shell commands
B. Shell script
C. C
D. Java
8 Which command is used to record a user login session in a file.
A. script
B. Record
C. Copy
D. Session
9 Which command is used to determine the path of an executable file.
A. which
B. whom
C. locate
D. wex
10 Default permissions of file can be changed with.
A. Group
B. Chperm
C. chmod
D. Chall

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