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      Question

      Which memory level is closest to the CPU in terms of

      access speed and physical proximity?
      A L2 cache Correct Answer Incorrect Answer
      B Secondary storage (HDD) Correct Answer Incorrect Answer
      C Main memory (RAM) Correct Answer Incorrect Answer
      D L1 cache Correct Answer Incorrect Answer

      Solution

      L1 cache is built directly into the CPU core and is the fastest memory that the CPU can access. It stores a small amount of very frequently used instructions and data, significantly reducing the average time to access memory.

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