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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 instructions of a …

  2. CPU-Z | Softwares | CPUID

    CPU-Z reports my CPU running below its clock specification or the clock speed is varying. This is the effect of the CPU power reduction mechanism : C1E (Enhanced Halt State) and/or EIST (Enhanced …

  3. Amazon.com: Computer CPU Processors - Computer CPU Processors ...

    Shop a wide selection of CPU Processors at Amazon.com. Free shipping and free returns on eligible items.

  4. CPU UserBenchmarks - 1423 Processors Compared

    Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

  5. Understanding CPU Usage: The Ultimate Guide - Micro Center

    Wow, that’s some high CPU usage! What could be causing it, you wonder? This guide walks you through common causes and simple solutions.

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

    Jan 6, 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 …

  7. Central Processing Unit (CPU) - GeeksforGeeks

    Dec 8, 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.

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

    Oct 28, 2024 · Modern CPUs use billions of microscopic transistors to interpret binary signals, enabling complex tasks at high speeds. Your CPU connects with other PC components through sockets and …

  9. 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...

  10. What is a Central Processing Unit? – Arm®

    The Central Processing Unit (CPU) is the primary component of a computer that acts as its “control center.” The CPU, also referred to as the “central” or “main” processor, is a complex set of electronic …