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  2. Computer hardware - Wikipedia

    en.wikipedia.org/wiki/Computer_hardware

    Basic hardware components of a personal computer, including a monitor, a motherboard, a CPU, a RAM, two expansion cards, a power supply, an optical disc drive, a hard disk drive, a keyboard and a mouse Inside a custom-built computer: power supply at the bottom has its own cooling fan

  3. Computer case - Wikipedia

    en.wikipedia.org/wiki/Computer_case

    A computer case, also known as a computer chassis, is the enclosure that contains most of the hardware of a personal computer. The components housed inside the case (such as the CPU, motherboard, memory, mass storage devices, power supply unit and various expansion cards) are referred as the internal hardware, while hardware outside the case ...

  4. Glossary of computer hardware terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_computer...

    The enclosure that contains most of the components of a computer, usually excluding the display, keyboard, mouse, and various other peripherals. computer fan An active cooling system forcing airflow inside or around a computer case using a fan to cause air cooling. An 80×80×25 mm computer fan computer form factor

  5. Central processing unit - Wikipedia

    en.wikipedia.org/wiki/Central_processing_unit

    The control unit (CU) is a component of the CPU that directs the operation of the processor. It tells the computer's memory, arithmetic and logic unit and input and output devices how to respond to the instructions that have been sent to the processor. It directs the operation of the other units by providing timing and control signals.

  6. Computer data storage - Wikipedia

    en.wikipedia.org/wiki/Computer_data_storage

    Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [1]: 15–16 The central processing unit (CPU) of a computer is

  7. Bus (computing) - Wikipedia

    en.wikipedia.org/wiki/Bus_(computing)

    In computer architecture, a bus (historically also called a data highway [1] or databus) is a communication system that transfers data between components inside a computer or between computers. [2] It encompasses both hardware (e.g., wires, optical fiber) and software, including communication protocols. [3]

  8. Interface (computing) - Wikipedia

    en.wikipedia.org/wiki/Interface_(computing)

    In computing, an interface is a shared boundary across which two or more separate components of a computer system exchange information. The exchange can be between software, computer hardware, peripheral devices, humans, and combinations of these. [1]

  9. Hardware - Wikipedia

    en.wikipedia.org/wiki/Hardware

    Hardware architecture, the identification of a system's physical components and their interrelationships; Hardware engineering, or computer engineering; Ware (disambiguation) Open-source hardware; Hardware store, a business which sells household hardware; Materiel, equipment or hardware, and supplies in military and commercial supply chain ...