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  2. Computer case - Wikipedia

    en.wikipedia.org/wiki/Computer_case

    Inside a gaming case during gameplay. 360° photograph. A full tower case. Accessories shown include: a fan controller, a DVD burner, and a USB memory card reader.. Cases can come in many different sizes and shapes, which are usually determined by the form factor of the motherboard since it is physically the largest hardware component in most computers. Consequently, personal computer form ...

  3. Computer hardware - Wikipedia

    en.wikipedia.org/wiki/Computer_hardware

    PDP-11 CPU board. Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case.

  4. Computer tower - Wikipedia

    en.wikipedia.org/wiki/Computer_tower

    A mid-tower computer case from c. 2011. In personal computing, a tower unit, or simply a tower, is a form factor of desktop computer case whose height is much greater than its width, thus having the appearance of an upstanding tower block, as opposed to a traditional "pizza box" computer case whose width is greater than its height and appears lying flat.

  5. Peripheral - Wikipedia

    en.wikipedia.org/wiki/Peripheral

    This electronics-related article is a stub. You can help Wikipedia by expanding it.

  6. Computer fan - Wikipedia

    en.wikipedia.org/wiki/Computer_fan

    Six 80 mm fans, commonplace components in earlier personal computers (either as a pair or mixed with fans of other sizes) A 30-millimetre (1.2 in) PC fan in a square black plastic chassis lying on the hub of a circular one of translucent plastic sized 250 mm (9.8 in)

  7. Riser card - Wikipedia

    en.wikipedia.org/wiki/Riser_card

    A riser card inside an IBM PS/2, featuring MCA slots Motherboard of an IBM PS/ValuePoint personal computer model (c. from 1993 to 1995) with an Intel i486SX microprocessor, with an elongated connector (black, horizontally in the middle/left between upper and lower edge) for the riser card on which the ISA bus slots were located

  8. Bus (computing) - Wikipedia

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

    Four PCI Express bus card slots (from top to second from bottom: ×4, ×16, ×1 and ×16), compared to a 32-bit conventional PCI bus card slot (very bottom). 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]

  9. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    An operating system is difficult to define, [6] but has been called "the layer of software that manages a computer's resources for its users and their applications". [7] ...