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  1. What Is a CPU, and What Does It Do? - How-To Geek

    Oct 28, 2024 · The most important part of your computer, if you had to choose just one, would be the central processing unit (CPU). It's the primary hub (or "brain"), and it processes the instructions that …

  2. Central Processing Unit (CPU) - GeeksforGeeks

    Oct 26, 2025 · The Central Processing Unit (CPU) is like the brain of a computer. It’s the part that does most of the thinking, calculating, and decision-making to make your computer work.

  3. Central processing unit - Wikipedia

    It tells the computer's memory, arithmetic and logic unit and input and output devices how to respond to the instructions that have been sent to the processor. It directs the operation of the other units by …

  4. What Is CPU (Central Processing Unit)? - Computer Hope

    Jun 25, 2025 · Alternately called a processor, central processor, or microprocessor, the CPU (pronounced sea-pea-you) is the central processing unit of the computer. A computer's CPU handles …

  5. What is a central processing unit (CPU)? - IBM

    A CPU is, essentially, the active brain of the computer. The CPU is the invisible manager inside the computer where data input is transformed into information output. It stores and executes program …

  6. What is a CPU? Here’s everything you need to know

    Oct 3, 2024 · One component term you may have encountered is “CPU,” which stands for “ central processing unit.” CPUs reside in almost all devices you own, whether it’s a smartwatch, a computer, …

  7. What is a CPU? All about processors - Trusted Reviews

    Feb 28, 2025 · The CPU is the main chip in an electronic device responsible for managing and sending instructions to other components. The acronym CPU stands for Central Processing Unit, though this …

  8. What Is a Central Processing Unit (CPU)? The Brain of Modern …

    Nov 5, 2025 · The Central Processing Unit, commonly known as the CPU, is the core component of every computing device—from massive data servers powering the internet to the smartphones in our …

  9. What Is a Central Processing Unit (CPU)? | Coursera

    Jul 14, 2025 · What Is a Central Processing Unit (CPU)? The CPU is a collection of circuits that run the operating system and apps and manage other computer operations. Learn more about central …

  10. Central processing unit (CPU) | Definition & Function | Britannica

    Nov 29, 2025 · Central processing unit (CPU), computer system, generally composed of the main memory, control unit, and arithmetic-logic unit. It constitutes the physical heart of the entire computer …