Cache memory uses some free hard-disk space to extend the capacity of RAM.

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Cache memory is a type of high-speed memory that stores frequently used data and instructions for quick access by the CPU. It is typically built into the CPU or located on a separate chip close to it. Cache memory does not extend the capacity of RAM; rather, it helps to improve the performance of the system by reducing the time taken to access frequently used data.

Cache Memory Uses Some Free Hard-Disk Space to Extend the Capacity