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  1. Central processing unit - Wikipedia

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

  2. 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 …

  3. 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 …

  4. 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.

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

    Nov 5, 2025 · Often referred to as the “brain” of the computer, the CPU is responsible for executing instructions, performing calculations, and managing data flow within the system.

  6. What is CPU? | Central Processing Unit Explained in Simple …

    In this video, I explain What is CPU (Central Processing Unit) in very simple and easy words.You will learn:What is a CPU?Why CPU is called the brain of the ...

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

    Dec 2, 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 …

  8. CPU (Central Processing Unit) Explained: Functions, Architecture, …

    Sep 17, 2025 · The CPU (Central Processing Unit) is often called the “brain” of a computer. It is the core hardware component responsible for interpreting and executing instructions that drive …

  9. 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 …

  10. CPU: Central Processing Unit | AP CSP (article) | Khan Academy

    The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results. The CPU is constantly following instructions of computer programs …