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Operating System (OS)

Operating System (OS)
The question mark (?) indicates in file searching

None of above
A group of character
Questions
A single character

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Operating System (OS)
The most common security failure is

insufficient technology used to prevent breaches
too much emphasis on preventing physical access
carelessness by users
depending on passwords
None of these

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Operating System (OS)
Which of the following separates primary file and extension is

Dot
All of these
Point
Period

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Operating System (OS)
The state transition initiated by the user process itself in an operating system is

dispatch
None of these
wake up
timer run out
block

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

Windows
Linux
Win NT
DOS

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Operating System (OS)
Which one of the following is not a layer of operating system?

Application program
Kernel
Shell
Critical selection

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