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  1. Central processing unit - Wikipedia

    The frequency of the clock pulses determines the rate at which a CPU executes instructions and, consequently, the faster the clock, the more instructions the CPU will execute each second.

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

    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 …

  3. 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 …

  4. 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, …

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

    Nov 15, 2025 · Our top mainstream picks for most buyers are AMD's Ryzen 5 7600 and Intel's Core Ultra 7 265K, but we've got alternatives for all budgets and use cases. Check them out …

  6. What Is a CPU? - ExtremeTech

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

  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.