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  2. Computer hardware - Wikipedia

    en.wikipedia.org/wiki/Computer_hardware

    Because computer parts contain hazardous materials, there is a growing movement to recycle old and outdated parts. [66] Computer hardware contain dangerous chemicals such as lead, mercury, nickel, and cadmium. According to the EPA these e-wastes have a harmful effect on the environment unless they are disposed of properly.

  3. Computer architecture - Wikipedia

    en.wikipedia.org/wiki/Computer_architecture

    Block diagram of a basic computer with uniprocessor CPU. Black lines indicate control flow, whereas red lines indicate data flow. Arrows indicate the direction of flow. In computer science and computer engineering, computer architecture is a description of the structure of a computer system made from component parts. [1]

  4. Block diagram - Wikipedia

    en.wikipedia.org/wiki/Block_diagram

    A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. [1] They are heavily used in engineering in hardware design , electronic design , software design , and process flow diagrams .

  5. Hardware architecture - Wikipedia

    en.wikipedia.org/wiki/Hardware_architecture

    An orthographically projected diagram of the F-117A Nighthawk. An F-117 conducts a live exercise bombing run using GBU-27 laser-guided bombs.. In engineering, hardware architecture refers to the identification of a system's physical components and their interrelationships.

  6. Systems architecture - Wikipedia

    en.wikipedia.org/wiki/Systems_architecture

    Example of a high-level systems architecture for a computer. A system architecture is the conceptual model that defines the structure, behavior, and views of a system. [1] An architecture description is a formal description and representation of a system, organized in a way that supports reasoning about the structures and behaviors of the system.

  7. Power supply unit (computer) - Wikipedia

    en.wikipedia.org/wiki/Power_supply_unit_(computer)

    The system power consumption is a sum of the power ratings for all of the components of the computer system that draw on the power supply. Some graphics cards (especially multiple cards) and large groups of hard drives can place very heavy demands on the 12 V lines of the PSU, and for these loads, the PSU's 12 V rating is crucial.

  8. Functional block diagram - Wikipedia

    en.wikipedia.org/wiki/Functional_block_diagram

    They became a necessity in complex systems design to "understand thoroughly from exterior design the operation of the present system and the relationship of each of the parts to the whole." [3] Many specific types of functional block diagrams have emerged. For example, the functional flow block diagram is a combination of the functional block ...

  9. 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 ...

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