Central Processing Unit (CPU)

• The CPU is the brain of the computer.

• Common CPU Components

  • Arithmetic Logic Unit (ALU)
  • Floating Point Unit (FPU) - math co-processor
  • Cache - Data and Code

• Common CPU measurements

  • Megahertz (MHz) - instruction cycles/second
  • Data width - bits processed at one time
    • e.g. 32 bit chip

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