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Question

If the memory access time is denoted by ‘ma’ and ‘p’ is the probability of a page fault (0 <= p <= 1). Then the effective access time for a demand paged memory is :

a.

p x ma + (1-p) x page fault time

b.

ma + page fault time

c.

(1-p) x ma + p x page fault time

d.

none of the mentioned

Posted under Operating System

Answer: (c).(1-p) x ma + p x page fault time

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Q. If the memory access time is denoted by ‘ma’ and ‘p’ is the probability of a page fault (0 <= p <= 1). Then the effective access time for a demand paged memory is :

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