Question # 1

File can have.

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Read access

Write access

Copy access

All of above

Dynamic allocation of storage areas with VSAM files is accomplished by

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Hashing

Control splits

Over flow areas

Relative recording

Spooling most beneficial where

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Jobs are I/O bound

Jobs are CPU bound

Jobs are evenly divided as I/O bound are CPU bond

All of above

What is the command that can print lines of first file matching with second file.

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Printline

cmp

com

comn

Distributed system should.

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High security

Have better resource sharing

Better system utilization

Low system overhead

Which one shows the name of the operating system.

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U name -n

Uname -I

U name - m

U name -o

Multiprogramming system

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Are easier to develop than signal programming system.

Execute each job faster

Execute more jobs in the same time

Are used only on large main frame computers.

Which of the following memory allocation scheme is subject to external fragmentation.

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Segmentation

Swapping

Demand paging

Multiple contiguous fixed partitions

Problem of thrashing is affected significantly by

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Program structure

Program size

Primary storage size

All of above

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

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Cold booting

Boot recording

Booting

Warm booting

Which of the following is always there in a computer.

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Batch system

Operating system

Time sharing system

Controlling system

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

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erd

ex

r

read

Which of following need a device driever.

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Cache

Disk

Main memory

Registers

Which operating system reacts in the acutal time.

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Batch system

Quick response system

Real time system

Time sharing system

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

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UPDATE

MODIFY

TOUCH

UNTOCUH

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

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Partitioning

Multitasking

Windowing

Paging

File inode number can be viewed by.

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-8

-1

-a

-t

Four necessary conditions for dead lock are none pre emption circular wait and

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Mutual exclusion

Race condition

Buffer overflow

None of above

Remote computing services involves the use of.

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Multi processing

Multi programming

Batch processing

Real time processing

Printer in the file structure can be found in.

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/etc

/html

/www

/dev

Kernel minimizes the frequency of disk access by keeping a pool of internal data buffer which helps to increase the response time this is known as.

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Buffer cache

Spooling

Pooling

Virtual memory

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