In a computer, we have primary memory that accesses the processor directly and secondary memory for permanent storage of data. Then why do we need cache memory? Explain in detail.
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Cache memory can be accessed by the CPU even faster than the primary storage devices like RAM.
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to run a program you need primary memory. Primary memory is importent to perform different tasks like to open a game in your computer to will need to give the game's program some memory so if you give the memory in the secondary memory then it's a problem it will take time to store memory and the progress in hard disk so Ram is important
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