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Operating System (OS)

Operating System (OS)
Which of the following is a disk compression tools?

Defragmenter
Drive space
Scandisk
None of these

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Operating System (OS)
Can you name of the major Operating System used in computers?

None of these
MS DOS
OS/2
UNIX
All of these

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Operating System (OS)
System programs such as Compilers are designed so that they are

serially usable
None of these
non reusable
recursive
reenterable

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Operating System (OS)
The register or main memory location which contains the effective address of the operand is known as

None of these
special location
pointer
scratch pad
indexed register

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Operating System (OS)
What scheduling algorithm allows processes that are logical runnable to be temporarily suspended?

FIFO
non-preemptive scheduling
preemptive scheduling
FCFS
None of these

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Operating System (OS)
Which of the following windows version support 64 bit processor?

Windows 2000
Windows 95
Windows XP
Windows 98

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