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Operating System (OS)

Operating System (OS)
In DOS, the maximum length of filename is

8
11
5
10

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Operating System (OS)
The primary purpose of an operating system is to:

allow people to sue the computers
keep system programmers employed
make the most efficient use of the hardware
None of these
make computer easier to use

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Operating System (OS)
Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.

lengthened; lengthened
lengthened; shortened
shortened; lengthened
shortened; shortened
None of these

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Operating System (OS)
Which of the following is the part of the operating system?

Disk
FAT
Cell
Kernel

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Operating System (OS)
Small pictures appear on the desktop

Icon
Windows
Button
None of above

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Operating System (OS)
How can you optimize performance of your computer?

Scan for virus
All of above
Defrag disk
Delete unused files

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MORE MCQ ON Operating System (OS)

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