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Operating System (OS)

Operating System (OS)
Which of the following is a disk compression tool?

Drive space
Defragmenter
None of these
Scan disk

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Operating System (OS)
From where do you change mouse setting?

None of these
Setting >> mouse
Hardware setting
Control panel >> mouse

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Operating System (OS)
Which, of the following checks, cannot be carried out on the input data to a system?

consistency check
Syntax check
None of these
Range check
All of these

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Operating System (OS)
If the displayed system time and date is wrong, you can reset it using

Write
Write file
Control panel
Calendar

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Operating System (OS)
When did IBM release the first version of disk operating system DOS version 1.0?

1981
1982
1983
1984
None of these

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Operating System (OS)
Which of the following memory unit that processor can access more rapidly

Virtual Memory
Read Only Memory
Main Memory
Cache memory

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