What is the primary advantage of using a multi-level cache hierarchy?
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A.
Decreased memory access latency
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B.
Improved disk read/write speeds
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C.
Reduced power consumption
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D.
Increased main memory capacity
Correct Answer:
A. Decreased memory access latency
Explanation:
A multi-level cache hierarchy is primarily designed to minimize memory access latency by placing smaller, faster memory units closer to the processor. This architecture bridges the speed gap between the high-speed CPU and the relatively slower main memory (RAM). By storing frequently accessed data in these high-speed layers, the system can retrieve information much more quickly than if it had to access the main memory every time, thereby significantly enhancing overall processing efficiency.
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