alleryStart learning →Why does a cache reduce the average time to access data?
AIt counts folder locations
BIt copies frequent locations
CIt compresses full locations
DIt corrects faulty locations
Answer & Solution
Correct answer: B. It copies frequent locations
1. A cache is far too small to hold everything.
2. It holds the parts that are asked for most often.
3. It stores copies of data from frequently accessed primary memory locations.
4. That reduces the average time required to access primary memory.
_Source: syllabus Computer Science, Ch 1 'Computer System'_
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