Question # 1

Dijkstra's algorithm deals with

Choose an answer

Mutual exclusion

Dead lock avoidance

Dead lock recovery

Real time processing

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

Choose an answer

Defined values

Fixed values

Default values

None of the above

Which command is used to record a user login session in a file.

Choose an answer

script

Record

Copy

Session

Main function of shared memory is.

Choose an answer

To use primary memory efficiently

To do intra process communication

All of above

None

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

Choose an answer

Shell commands

Shell script

C

Java

Daisy chain is a device for

Choose an answer

Connecting a number of controllers to a device

Connecting a number of device to a controller

all of above

None of above

Which of following need a device driever.

Choose an answer

Cache

Disk

Main memory

Registers

For multiprogramming operating system.

Choose an answer

Special support from processor is essential

Special support from processor is not essential

Cache memory is essential

None of abvoe

Which command in vi editor command is used to copy the current line of the file.

Choose an answer

ys

yy

yc

yw

All device files are stored in which directory.

Choose an answer

/etc

/dev

/www

/html

Re location bits used by relocating loader are a pacified by

Choose an answer

Relocating loader

Assembler

Translator

Linker

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

Choose an answer

Soft links

Hard links

Copy links

Choose an answer

Dead lock prevention

Dead lock avoidance

Dead look recovery

Mutual exclusion

Which command is used to set limits on file size.

Choose an answer

U limit

Alimit

dlimit

wilmit

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

Choose an answer

Data values

Default values

Defined values

Fixed vallues

Which of the following is always there in a computer.

Choose an answer

Batch system

Operating system

Time sharing system

Controlling system

Tee command is used in LINUX for.

Choose an answer

Read from an input and write to a standard output and file.

Read from an input

Write to an output

None of above

Size of virtual memory depends on

Choose an answer

Size of data bus

Size of address bus

Size of main memory

None of above

Seek analysis is for.

Choose an answer

Paging issues

Device busy problems

Control unit busy problems

All of above

A high paging rate

Choose an answer

May cause a high I/O rate

Keeps the system running well

Is a symptom of too much processor activity

Always creates a slow system.

In which of the following usually a front end processor is used.

Choose an answer

Virtual storage

Time sharing

Multi programming

Multi heading

More Classes

Other Links

PPSC Computer Science Chapter 19 Operating System Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer