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What is Cache Memory in Operating System? PDF Download

Learn Cache Memory definition in operating system with explanation to study “What is Cache Memory”. Study cache memory explanation with operating system terms to review operating system course for online degree programs.

Cache Memory Definition

  • A memory that is small and faster than main memory and that is interposed between the processor and main memory.

    Operating Systems by William Stallings



Cache Memory Explanation

Cache memory also known as the CPU memory is a volatile very high-speed Static Random Access Memory (SRAM) that a computer processor accesses much faster compared to the access time of regular RAM. It stores frequently used data so that whenever a program needs that data, it is available at the closest and fastest instance.

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