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Operating System (OS)

Operating System (OS)
Which of the following memory unit that processor can access more rapidly

Read Only Memory
Main Memory
Virtual Memory
Cache memory

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Operating System (OS)
....... is the layer of a computer system between the hardware and the user program

System environment
Operating environment
None of these
Operating system

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Operating System (OS)
The maximum size of a write file is limited to only

Name of the file
Extension of the file
All of above
The amount of memory in your computer

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Operating System (OS)
Banker's algorithm for resource allocation deals with

deadlock avoidance
deadlock prevention
mutual exclusion
None of these
deadlock recovery

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Operating System (OS)
Block or buffer caches are used

to speed up main memory read operation
to increase the capacity of main memory
to improve disk performance
to handle interrupts
None of these

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Operating System (OS)
What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

XENIX
OS/2
MS DOS
UNIX
None of these

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