Question # 1

Belady anomaly occurs in

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Optimal replacement

FIFO

LRU

Both in FIFO and LRU

Super visor state is only allowed to.

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Utility softwares

Application sotware

Operating system

Guest user

Remote computing services involves the use of time sharing and

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Multiprocessing

Interactive processing

Batch processing

Real time processing

Which is non pre emptive

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Round robin

FIFO

MS

MSF

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

Disk scheduling includes decinding

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Which should be accessed next

Order in which disk access requests must be serviced

The physical location of the file

the logical location of the file

Poor response times are caused by

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Busy processor

High I/O rate

High paging rates

any of above

Size of virtual memory depends on

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Size of data bus

Size of address bus

Size of main memory

None of above

Problem of thrashing is affected significantly by

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Program structure

Program size

Primary storage size

All of above

All the abbreviations is vi editor can be shown by

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All

ab

atat

ashow

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

Banker's algorithm deals with

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Dead lock prevention

Dead lock avoidance

Dead look recovery

Mutual exclusion

Which of the following does not interrupt an running process.

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A device

Timer

Scheduler process

Power failure

Macintosh computer uses

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System 7.0

AU/X

Xenix

None

What communication command provides communication to another user logged on by writing to the bottom of their terminal

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Chat

Talk

Write

Sending

Main function of shared memory is.

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To use primary memory efficiently

To do intra process communication

All of above

None

File can have.

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Read access

Write access

Copy access

All of above

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

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Diff

differ

Cmp

Compare

Which command is concerned with LINUX kernel log messages.

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dmsg

dmesg

cmsg

cmesg

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