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Operating System (OS)

Operating System (OS)
In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?

MS DOS
DOS
None of these
5
MS

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Operating System (OS)
Operating system manages

I / O Devices
All of the listed here
Memory
Processor

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Operating System (OS)
Block or buffer caches are used

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

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Operating System (OS)
Windows displays various options to shutdown. Which is suitable at the end of day?

Shut Down
Restart
Sleep
Hibernate

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Operating System (OS)
The core of operating system is:

Unix
Kernel
None of these
Command.com

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Operating System (OS)
When was MS Windows operating system introduced?

1975
1985
2000
1995

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