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Operating System (OS)

Operating System (OS)
A graphical user interface displays

None of Above
Text
Both of Above
Graphics

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Operating System (OS)
Which of the following is not a part of the control panel?

Date and time
Add or remove program
Display
My documents

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Operating System (OS)
Interprocess communication

is never necessary,
allows processes to synchronize activity
is usually done via disk drives
None of these
is required for all processes

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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

directory
None of these
mutual exclusion
semaphores
critical section

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Operating System (OS)
A development strategy whereby the executive control modules of a system are coded and tested first, is known as

All of these
Bottom-up development
Left-Right development
Top-down development
None of these

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Operating System (OS)
If the number of bits in a virtual address of a program is 16 and the page size is 0.5 K bytes, the number of pages in the virtual address space is

16
128
32
None of these
64

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