Question # 1

Which is not a valid file type in LINUX.

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Socket

FIFO

Soft link

Inode

Which is the most important for Multi taskiing.

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Modularity

Time sharing

Multi programming

Multi user

Solaris is product of.

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IBP

IBM

Microsoft

Sun microsystmes

Printer in the file structure can be found in.

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/etc

/html

/www

/dev

A publics key encryption system.

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Allows only the correct sender to decode the data

Allows only the correct receiver to decode the data

Allows any one to decode the data

None of above

What control character signals the end of the input file.

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Ctrl + s

Ctrl + z

Ctrl + w

Ctrl + d

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 one shows the name of the operating system.

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U name -n

Uname -I

U name - m

U name -o

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

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Operation code

Address

Locator

Flip flop

Remote computing services involves the use of time sharing and

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Multiprocessing

Interactive processing

Batch processing

Real time processing

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

Which operating system use write through catches.

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UNIX

XENIX

ULTRIX

DOS

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

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Diff

differ

Cmp

Compare

Distributed systems should.

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Meet time constraints

Aim better resource sharing

Aim better system utilization

Aim low system overhead

A series of statements explaining how the data is to be processed is called.

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Instruction

Compiler

Program

Interpretor

Belady anomaly occurs in.

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LIFO

FIFO

LRU

NRU

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

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Virtual storage

Time sharing

Multi programming

Multi heading

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

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CPU

ALU

CU

Processor

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

Which type of software can be used to merge data of two files in one files.

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System software

Networking software

Documenting software

utility software

Which of the following does not interrupt an running process.

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A device

Timer

Scheduler process

Power failure

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