Architecture of the central processing unit (CPU)

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A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions. [1]


Major parts of a CPU[edit]

Cpu diagram.png


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Do you understand this topic?[edit]

  • Describe the function of the ALU
  • Describe the function of the control unit
  • Describe the function of the program counter
  • Describe the function of the clock
  • Describe the function of an instruction
  • Define instruction register
  • What does a bus do?

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See Also[edit]

References[edit]