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Operating System (OS)

Operating System (OS)
___ are list of commands that appear on the screen

Windows
Menus
GUIS
Icons

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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
1
16
8

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Operating System (OS)
When a peripheral device needs immediate attention from the operating system, it generates a(n)

Page file
Spool
Stack
Interrupt

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Operating System (OS)
Access time is the highest in the case of

swapping devices
floppy disk
magnetic disk
None of these
cache

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

Linux
Windows
Win NT
DOS

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Operating System (OS)
Part of a program where the shared memory is accessed and which should be executed invisibly is called

semaphores
directory
critical section
mutual exclusion
None of these

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