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Operating System (OS)

Operating System (OS)
Which is not a system tool?

Backup
Folder
Scandisk
Format

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Operating System (OS)
A development strategy whereby the executive control modules of a system are coded and tested first, is known as

None of these
All of these
Top-down development
Left-Right development
Bottom-up development

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

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

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

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

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Operating System (OS)
The initial value of the semaphore that allows only one of the many processes to enter their critical sections, is

16
1
0
8
None of these

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Operating System (OS)
The file system "NTFS" stands for

Never Terminated file system
Non terminated file system
New type file system
New Technology file system

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