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Operating System (OS)

Operating System (OS)
Anything you cut or copy on to the clipboard remains there until you

Exit windows
Clear
All of these
Change it

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

1
0
None of these
16
8

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Operating System (OS)
Underlined character on the menu or dialog box known as

Hot key
Pane
Underline word
Hot spot

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Operating System (OS)
Which of the following capabilities is required for a system program to execute more than one program at a time?

word processing
compiling
None of these
multitasking
virtual memory

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Operating System (OS)
You can switch from one program to another by clicking within the desired program's icon from the

Application icon on desktop
Application icon from taskbar
Folder
None of above

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

Antivirus
Word
Data recovery
Operating system

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