COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Memory Cache Hit Processes that require data or instructions to be written back to the RAM or memory must first go through the cache memory until the RAM is able to reach. That way, the CPU isn’t slowed down waiting for the RAM’s response.
Detailed explanation-2: -The CPU needs to access ultra-fast memory to get the most out of its performance. The CPU cache works with this memory and the CPU first looks into the cache memory when it wants to access data. If the data is not there in cache memory, that is called a miss, and if it is found, it will be called a hit.
Detailed explanation-3: -Cache memory is an extremely fast memory type that acts as a buffer between RAM and the CPU. It holds frequently requested data and instructions so that they are immediately available to the CPU when needed. Cache memory is used to reduce the average time to access data from the Main memory.
Detailed explanation-4: -A cache is a smaller, faster memory, located closer to a processor core, which stores copies of the data from frequently used main memory locations. Most CPUs have a hierarchy of multiple cache levels (L1, L2, often L3, and rarely even L4), with different instruction-specific and data-specific caches at level 1.