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

What is meaning of ILP32

Question # 2

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

Question # 3

Banker's algorithm deals with

Question # 4

What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.

Question # 5

In which scheduling policies context switching never takes place

Question # 6

Which command reads the content of another file in vi editor .

Question # 7

File can have.

Question # 8

Main function of shared memory is.

Question # 9

Which technique is used by operating systems to execute several program concurrently by switching back and forth.

Question # 10

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

Question # 11

Multiprogramming system

Question # 12

Which is non pre emptive

Question # 13

Default permissions of file can be changed with.

Question # 14

Printer in the file structure can be found in.

Question # 15

Which command is used to know the LINUX version.

Question # 16

Which command is used to copy files.

Question # 17

Which command is LINUX is concerned with backup.

Question # 18

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

Question # 19

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

Question # 20

What are the global locks.

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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 Which of following need a device driever.
A. Cache
B. Disk
C. Main memory
D. Registers
3 Which is not a valid file type in LINUX.
A. Socket
B. FIFO
C. Soft link
D. Inode
4 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
5 Distributed systems should.
A. Meet time constraints
B. Aim better resource sharing
C. Aim better system utilization
D. Aim low system overhead
6 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
7 Which command is concerned with LINUX kernel log messages.
A. dmsg
B. dmesg
C. cmsg
D. cmesg
8 How applications communicates with kernel.
A. Not disclosed by linux team
B. SSL
C. System calls
D. Shell
9 Poor response times are caused by
A. Busy processor
B. High I/O rate
C. High paging rates
D. any of above
10 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

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