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Question

If memory access takes 20 ns with cache and 110 ns with out it, then the ratio ( cache uses a 10 ns memory) is

a.

93%

b.

90%

c.

88%

d.

87%

Answer: (b).90%

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Q. If memory access takes 20 ns with cache and 110 ns with out it, then the ratio ( cache uses a 10 ns memory) is

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