What is the purpose of cache memory?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter6: System Integration And Performance
Section: Chapter Questions
Problem 10RQ
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What is the purpose of cache memory?

 

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To improve the overall system performance by reducing the average access time.

 

To store all the data that the processor requires.

 

 To provide additional storage space for the system.

 

To act as a backup in case the main memory fails.

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