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Operating System (OS)

Operating System (OS)
Which of the following operating system does not implement the multitasking truly ?

MS DOS
Windows XP
Windows NT
Windows 98

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Operating System (OS)
Which of the following does not support more than one program at a time?

Linux
Windows
DOS
Unix

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Operating System (OS)
Non-modifiable procedures are called

concurrent procedures
topdown procedures
serially usable procedures
reentrant procedures
None of these

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Operating System (OS)
The most recent version of MAC OS is based on the ...... operating system

Windows
Unix
CMOS
Linux

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Operating System (OS)
Sleep is a good mode to use because

It saves power which in true is saving money
All of the listed here
It consumes low battery when you start it again
It makes computer fresh after it wakes up

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Operating System (OS)
What should be the extension to execute files?

BAT
COM
All of these
EXE

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