What is Central Processing Unit (CPU) in Operating System?

Learn Central Processing Unit (CPU) definition in operating system with explanation to study “What is Central Processing Unit (CPU)”. Study central processing unit (cpu) explanation with operating system terms to review operating system course for online degree programs.

Central Processing Unit (CPU) Definition

  • Portion of a computer that fetches and executes instructions, contains ALU, CU and registers.

    Operating Systems by William Stallings



Central Processing Unit (CPU) Explanation

Central Processing Unit (CPU) sometimes referred to as the central processor, but more commonly called a processor is the brain of computer where most calculations take place. To control instructions and data flow to and from other parts of the computer, the CPU relies heavily on a chipset which is a group of microchips located on a motherboard.

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