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central processing unit
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circuit board Basic operation of the central processing unit.
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computer chip. computer. Hand holding computer chip. Central processing unit (CPU). history and society, science and technology, microchip, microprocessor motherboard computer Circuit Board
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Technician operates the system console on the new UNIVAC 1100/83 computer at the Fleet Analysis Center, Corona Annex, Naval Weapons Station, Seal Beach, CA. June 1, 1981. Univac magnetic tape drivers or readers in background. Universal Automatic Computer
Computers and Operating Systems

central processing unit: References & Edit History

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Article History

Type Description Contributor Date
Modified link of Web site: Engineering LibreTexts - The CPU. Aug 25, 2026
Add new Web site: CUNY Pressbooks Network - Learner - What Is a Company’s CPU and How Does it Work? 5 Things to Know. Nov 29, 2025
Added cross-references. Oct 17, 2025
Add new Web site: University of Baghdad Digital Repository - Central Processing Unit (CPU) (PDF). Aug 08, 2025
Add new Web site: University of Babylon - The central processing unit(CPU). (PDF). Apr 14, 2025
Add new Web site: University of Rhode Island - College of Arts and Sciences - Department of Computer Science and Statistics - How Computers Work: The CPU and Memory. Mar 07, 2025
Add new Web site: IBM - Types of central processing units (CPUs). Aug 18, 2024
Add new Web site: Lifewire - What Is a CPU? (Central Processing Unit). May 27, 2024
Add new Web site: History-Computer - The History of the Modern CPU. Jun 18, 2023
Corrected display issue. Mar 20, 2023
Add new Web site: Engineering LibreTexts - The CPU. Nov 02, 2022
Add new Web site: Computer Hope - Central Processing Unit. Mar 14, 2018
Added photograph of a circuit board containing a CPU. Jan 19, 2018
Added "In modern computers, the CPU is contained on an integrated circuit chip called a microprocessor." Jan 19, 2018
Added new Web site: Heriot-Watt University - Central Processing Unit. Aug 16, 2007
Added new Web site: How Stuff Works - Science - How Microprocessors Work. Aug 16, 2007
Added new Web site: University of Chicago - Central Processing Unit. Aug 16, 2007
Article added to new online database. Jul 20, 1998
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