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Operating System (OS)

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

Disk defragment
Drive space
Scandisk
Doskey

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Operating System (OS)
The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as

spooling
virtual programming
None of these
multiprogramming
caching

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Operating System (OS)
Which of the following command is used to switch between the window programs?

None of these
Alt+Tab
Ctrl+Tab
Alt+F4

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Operating System (OS)
The problem with .... file is that they slow your computer's operation

Program
Fragmented
Formatted
All of above

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Operating System (OS)
The title bar always displays on

All of above
Top of the open windows
Right side of the open window
Left side of the open window

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Operating System (OS)
In analyzing the compilation of PL/I program, the description "creation of more optimal matrix" is associated with

Code generation
Syntax analysis
Machine independent optimization
Assembly and output
None of these

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