Friday, 29 September 2017

Cbse net 2004 37

CBSE NET 2004

OPERATING SYSTEM QUESTION

In which of the following storage replacement strategies, is a program placed in the largest available hole in the memory?

(A) Best fit

(B)  First fit

(C)  Worst fit

(D)  Buddy

Ans :- C

Explanation

First-fit, best-fit and worst-fit are the most common strategies used to select a free hole from the set of available holes.

First-fit : allocate the first hole that is big enough.

Best-fit : Allocate the smallest hole that is big enough.

Worst-fit : Allocate the largest hole.

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