CPUs and architecture

What does CPU stand for?

  1. ACentral processing unit
  2. BMain memory unit
  3. CAuxiliary storage unit
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Answer: A. Central processing unit

CPU stands for central processing unit. It is the core of a computer, fetching and interpreting instructions and performing computation and control. Main memory refers to DRAM and the like, and auxiliary storage to SSDs, HDDs and so on.

  • A. Correct. CPU is the central processing unit.
  • B. Main memory refers to DRAM and similar memory.
  • C. Auxiliary storage refers to SSDs, HDDs and similar.
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More CPUs and architecture questions

  1. Which correctly describes a CPU with a clock frequency of 3 GHz?
  2. What does "64-bit" in "64-bit CPU" mainly refer to?
  3. What is the correct basic order in which a CPU processes an instruction?
  4. What is the role of the ALU (arithmetic logic unit) in a CPU?
  5. What does a CPU's program counter (PC) hold?