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  1. Central processing unit - Wikipedia

    In some CPU designs, the instruction decoder is implemented as a hardwired, unchangeable binary decoder circuit. In others, a microprogram is used to translate instructions into sets of CPU …

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

    5 days ago · 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 all …

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

    Oct 28, 2024 · The CPU (central processing unit) is the brain of your computer, processing instructions from programs and components. Modern CPUs use billions of microscopic transistors to interpret …

  4. 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 …

  5. What Is a CPU? - ExtremeTech

    Mar 8, 2025 · A CPU or central processing unit is a computer system's most powerful and important component.

  6. The Best CPUs We've Tested for 2026 | PCMag

    Nov 15, 2025 · AMD and Intel dominate today's desktop processor market, and we review all their key releases, using a wide range of tests to evaluate performance across various scenarios. Considering...

  7. 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 …

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

    The central processing unit (CPU) is the invisible manager inside the computer where data input is transformed into information output.

  9. How to choose a CPU – A guide to picking the right processor for your ...

    Dec 17, 2025 · Choosing the right CPU is one of the first decisions you need to make when building a PC. Here's how to make that tough choice.

  10. 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, …