Question

An operating system manages
( a) memory
( b) process
( c) disk and I/o devices
( d) All of these

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Answer 1

Answer:

Dude it's all of these

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Answer 2

Answer:

Here is your answer, mate..

D.) All of these..

An operation system manages memory, process and all of its softwares and hardware.

Explanation:

Hope it helps you....

Thanks..