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  2. Computer hardware - Wikipedia

    en.wikipedia.org/wiki/Computer_hardware

    Reuse of tin, silicon, iron, aluminum, and a variety of plastics that are present in bulk in computers or other electronics can reduce the costs of constructing new systems. Components frequently contain copper, gold, tantalum, [68] [69] silver, platinum, palladium, and lead as well as other valuable materials suitable for reclamation. [70] [71]

  3. Motherboard - Wikipedia

    en.wikipedia.org/wiki/Motherboard

    By the late 1990s, many personal computer motherboards included consumer-grade embedded audio, video, storage, and networking functions without the need for any expansion cards at all; higher-end systems for 3D gaming and computer graphics typically retained only the graphics card as a separate component. Business PCs, workstations, and servers ...

  4. Electronic component - Wikipedia

    en.wikipedia.org/wiki/Electronic_component

    An electronic component is any basic discrete electronic device or physical entity part of an electronic system used to affect electrons or their associated fields. Electronic components are mostly industrial products , available in a singular form and are not to be confused with electrical elements , which are conceptual abstractions ...

  5. 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

  6. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15. The number is sometimes followed by a letter, indicating that components are grouped or matched with each other, e.g. R17A, R17B. The IEEE 315 standard contains a list of Class Designation Letters to use for electrical and electronic ...

  7. Hardware architecture - Wikipedia

    en.wikipedia.org/wiki/Hardware_architecture

    In engineering, hardware architecture refers to the identification of a system's physical components and their interrelationships. This description, often called a hardware design model , allows hardware designers to understand how their components fit into a system architecture and provides to software component designers important information ...