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

00:00
Question # 1

Which of following is not an advantage of multiprogramming.

Question # 2

What are the global locks.

Question # 3

Which command is used to copy files.

Question # 4

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

Question # 5

Banker's algorithm deals with

Question # 6

Which command gives the first byte where the difference is in the file 1 & file2

Question # 7

Creating a job queue is a function of

Question # 8

Which among following scheduling algorithms give minimum average waiting time.

Question # 9

The system calls in UNIX is written using which language.

Question # 10

Which command is used to set limits on file size.

Question # 11

Which process is known for initializing a microcomputer with its OS.

Question # 12

All the abbreviations is vi editor can be shown by

Question # 13

Dynamic allocation of storage areas with VSAM files is accomplished by

Question # 14

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

Question # 15

Which of the following is always there in a computer.

Question # 16

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

Question # 17

Fragmentation of a file system.

Question # 18

What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition.

Question # 19

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

Question # 20

Which command is LINUX is concerned with backup.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Scissoring enables
A. A part of data to be displayed
B. Entire data to be displayed
C. Full data display on full area of seen
D. No data display
2 Which command is used to extract a column from a text file.
A. get
B. tar
C. untar
D. cut
3 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
4 To display disk consumption of a specific directory which command is used.
A. dd
B. du
C. dt
D. di
5 Semaphores are used to solve the problem of.
A. Race condition
B. Process synchronization
C. Mutual exclusion
D. Belady problem
6 Creating a job queue is a function of
A. Spooler
B. Interpolator
C. Complier
D. Drive
7 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
8 Which among the following is used to write small program to control Linux Functionalities.
A. Shell commands
B. Shell script
C. C
D. Java
9 Fragmentation of a file system.
A. Occurs only is file is not used properly
B. Can always the prevented
C. Happens in all file systems.
D. Can be removed by conmpaction
10 Which command is LINUX is concerned with backup.
A. tar
B. zip
C. cpio
D. untar

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