Multiple choice technology operating systems

which is the fastest memory

  1. hard disc

  2. main memory

  3. cpu registers

  4. cache memoy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

CPU registers are the fastest memory as they're built directly into the CPU and operate at CPU frequency with zero latency for access. Cache memory (L1/L2/L3) is next fastest, followed by main memory (RAM), then hard disks which are orders of magnitude slower.

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