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What effect may occur if cache memory is unavailable?

Answer and explanation

Correct answer: The CPU may take longer to fetch data from RAM

The governing concept is cache-based performance improvement. Cache stores frequently or recently used instructions and data close to the CPU, reducing the time needed to access them. Without cache, the computer can still use RAM, so files are not automatically deleted and the monitor or keyboard need not stop working. However, repeated requests may require more direct RAM access, increasing waiting time and lowering performance; hence D is correct.

Related tags

Cache MemoryRamCpuComputer PerformanceBasic Components Of A Computer SystemIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial Intelligence

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