電腦 - 個d CACHE 係咩黎, 用來做乜?

CPU cache is a kind of memory that is built inside the CPU.

CPU cache is a very fast memory (than RAM).

With the help of CPU cache, the CPU does not have to wait to get data/instruction from the RAM (memory) which is relatively slow than CPU cache.

CPU cache helps to improve the performance of the CPU.



*** original writing


### for more details, click to read from wikipedia (english only)

### or you can read the Chinese explanation from Hyper's BLOG




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