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Operating System (OS)

Operating System (OS)
Scandisk

Run from DOS mode
Checks the disk
Give information about disk
All of the listed here

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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

0
None of these
8
1
16

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Operating System (OS)
The operating system creates ___ from the physical computer

Virtual space
None of the listed here
Virtual device
Virtual computers

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Operating System (OS)
Which is not an external command ?

None of the listed here
Sys
XCOPY
Edit

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Operating System (OS)
Any files deleted in windows goes into

None of the listed here
Trash can
Recycle bin
Deleted files

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

dispatch
timer run out
None of these
block
wake up

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