Question # 1

A high paging rate

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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.

Memory protection is normally done by

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The processor and the associated hardware

The operating system

The compiler

The user program

Scissoring enables

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A part of data to be displayed

Entire data to be displayed

Full data display on full area of seen

No data display

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

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ys

yy

yc

yw

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

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Cold booting

Boot recording

Booting

Warm booting

What is property of UNIX.

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Multi user

Multi processes

Multi tasking

All of above

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

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CPU

ALU

CU

Processor

Remote computing services involves the use of time sharing and

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Multiprocessing

Interactive processing

Batch processing

Real time processing

Main function of shared memory is.

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To use primary memory efficiently

To do intra process communication

All of above

None

Which command is LINUX is concerned with backup.

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tar

zip

cpio

untar

Which is not a valid file type in LINUX.

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Socket

FIFO

Soft link

Inode

Which command is used to set terminal input output characteristics

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Atty

stty

dtty

itty

Which command changes a files group owner

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chmod

chgrp

chown

chgrep

Shortest job First executes first the job.

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With the least processor needs

That first entered the queue

That has been in the queue for the longest

That last entered the queue

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

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Defined values

Fixed values

Default values

None of the above

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

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Shell commands

Shell script

C

Java

Semaphores are used to solve the problem of.

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Race condition

Process synchronization

Mutual exclusion

Belady problem

Which command in LINUX is used for description any command.

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Help

Man

Detail

Short detail

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

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1

2

3

4

Which scheduling policy is best suited for time sharing operating system.

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Shortest job first

Round robin

First come first serve

Elevator

Daisy chain is a device for

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Connecting a number of controllers to a device

Connecting a number of device to a controller

all of above

None of above

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