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

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

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Operating System (OS)
What hole will allocates in "Worst-Fit" algorithm of memory management?

It allocates the largest hole from the available memory holes
It allocates the exact same size memory hole
It allocates the smaller hole than required memory hole
It allocates the smallest hole from the available memory holes

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