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  1. Central processing unit - Wikipedia

    Modern CPUs devote a lot of semiconductor area to caches and instruction-level parallelism to increase performance and to CPU modes to support operating systems and virtualization. …

  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 …

  3. 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 …

  4. 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 …

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

    What is a CPU (Central Processing Unit)? What is a CPU? A central processing unit (CPU) is a hardware component that’s the core computational unit in a server. Servers and other smart …

  6. What Is a Central Processing Unit (CPU)? | Coursera

    Jul 14, 2025 · The central processing unit, also known as a CPU, processor, microprocessor, or computer processor, is a small yet crucial piece of hardware found in computing devices such …

  7. What Is a CPU? - ExtremeTech

    Mar 8, 2025 · CPUs perform a complex juggling act, including tasks such as branch prediction and speculative execution that must be coordinated in time. This makes a CPU capable of …