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Operating System (OS)

Operating System (OS)
When was MS Windows operating system introduced?

1985
2000
1975
1995

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Operating System (OS)
The operating system of a computer serves as a software interface between the user and

screen
memory
hardware
None of these
peripheral

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Operating System (OS)
To display a shortcut menu for an object you use

Touch the object on the screen with your finger
Right click the object
Click the object
Point the object and press Ctrl+P

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

None of these
Drive space
Scandisk
Defragmenter

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Operating System (OS)
When you delete file, where it resides?

Recycle bin
Briefcase
Desktop
CD

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Operating System (OS)
When you rename a file five times then the number of file in the disk is

1
2
5
3

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