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Question

Why is paging used in virtual memory systems?

a.

To increase the speed of physical memory

b.

To reduce the cost of physical memory

c.

To make physical memory more reliable

d.

To prevent memory leaks

Posted under Reverse Engineering

Answer: (b).To reduce the cost of physical memory Explanation:Physical memory is much faster and much more expensive than hard drive space, it makes sense to use a file for backing up memory areas when they are not in use.

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