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Operating System (OS)

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

16
8
None of these
1
0

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Operating System (OS)
Small pictures appear on the desktop

Windows
None of above
Icon
Button

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Operating System (OS)
What is the name of the operating system for the laptop computer called MacLite?

DOS
OZ
MS-DOS
None of these
Windows

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

All of the listed here
Backup
Virus scanning
Disk defragment

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Operating System (OS)
A page fault occurs when

the page is not found in the memory
the Segmentation starts
the page is found in the memory
the Deadlock happens

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Operating System (OS)
The part of machine level instruction, which tells the central processor what has to be done, is

Operation code
Address
None of these
Flip-Flop
Locator

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