Central processing unit - Wikipedia
网页A central processing unit (CPU), also called a central processor, main processor, or just processor, is the most important processor in a given computer. [ 1 ] [ 2 ] Its electronic circuitry executes instructions of a computer program , such as arithmetic , logic, controlling, and input/output (I/O) operations.
What Is a CPU, and What Does It Do? - How-To Geek
网页2020年10月30日 · 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 instructions that come from programs, the operating system, or other components in your PC.
What Is a CPU? (Central Processing Unit) - Lifewire
网页2022年6月13日 · The CPU is the hardware device in a computer that executes instructions from the software. Learn more about how it works, plus cores, clock speed, etc.
What is a Central Processing Unit (CPU)? | IBM
网页2024年5月10日 · 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 manage a variety of other computer operations.
Central Processing Unit (CPU) - GeeksforGeeks
网页2024年6月12日 · What Does a CPU Do? The main function of a computer processor is to execute instructions and produce an output. CPU work Fetch, Decode, and Execute are the fundamental functions of the computer. Fetch: the first CPU gets the instruction. That means binary numbers that are passed from RAM to CPU.
What is a CPU? Here’s everything you need to know
网页2023年9月2日 · The CPU is the core component that defines a computing device, and while it is of critical importance, the CPU can only function alongside other hardware. The silicon chip sits in a special...
Central processing unit (CPU) | Definition & Function
网页2024年9月15日 · 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 system; to it is linked various peripheral equipment, including input/output devices and auxiliary storage units.
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