Multiple choice

Which of the following memories has the shortest access time?

  1. Cache memory

  2. Magnetic bubble memory

  3. Magnetic core memory

  4. RAM
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cache memory uses fast SRAM located closest to the CPU, with typical access times of 1-10 nanoseconds. RAM uses slower DRAM (~50-100ns). Magnetic core and bubble memories are obsolete technologies much slower than modern semiconductor memory.

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