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Operating System (OS)

Operating System (OS)
Who is called a supervisor of computer activity ?

I / O Devices
Operating system
Control unit
Memory

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Operating System (OS)
Which of the following is an example of utility?

Operating system
Data recovery
Antivirus
Word

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Operating System (OS)
Poor response times are caused by

None of these
Any of the above
Processor busy
High paging rates
High I/O rate

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Operating System (OS)
Which of the following is not an operating system ?

Windows 2000
Notepad
Linux
Mac OS

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Operating System (OS)
Which one of the following key is used to refresh the active window?

F9
F5
F7
F8

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Operating System (OS)
The command interpreter

is usually the primary user interface
requires fixed format commands
is quite different from the SCL interpreter
is menu drive
None of these

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