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  1. Central processing unit - Wikipedia

    A central processing unit (CPU), also known as a central processor, main processor, or simply processor, is the primary processor in a given computer. [1][2] Its electronic circuitry executes …

  2. Central Processing Unit (CPU) - GeeksforGeeks

    Dec 8, 2025 · The CPU earns its nickname as the “brain” because it’s responsible for thinking through and executing every task in a computer. Just like your brain processes information to make …

  3. Central processing unit (CPU) | Definition & Function ...

    Feb 16, 2026 · 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 …

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

    A central processing unit (CPU) is the primary functional component of a computer. The CPU is an assemblage of electronic circuitry that run a computer’s operating system and apps and manage a …

  5. What Is a Central Processing Unit (CPU)? How It Works

    Dec 23, 2025 · Every click, keystroke, and application launch begins with a command center known as the Central Processing Unit. Functioning as the brain of the machine, the CPU interprets complex …

  6. What is a CPU? - Central Processing Unit Explained - AWS

    A central processing unit (CPU) is a hardware component that’s the core computational unit in a server. Servers and other smart devices convert data into digital signals and perform mathematical …

  7. 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 …