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  2. Output device - Wikipedia

    en.wikipedia.org/wiki/Output_device

    A display device is the most common form of output device which presents output visually on computer screen. The output appears temporarily on the screen and can easily be altered or erased.

  3. Input device - Wikipedia

    en.wikipedia.org/wiki/Input_device

    A common computer input device, a keyboard. A user presses a key which transfers information to a computer. In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.

  4. Single-board microcontroller - Wikipedia

    en.wikipedia.org/wiki/Single-board_microcontroller

    The Make Controller Kit with an Atmel AT91SAM7X256 microcontroller.. A single-board microcontroller is a microcontroller built onto a single printed circuit board.This board provides all of the circuitry necessary for a useful control task: a microprocessor, I/O circuits, a clock generator, RAM, stored program memory and any necessary support ICs.

  5. 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.

  6. Search engine - Wikipedia

    en.wikipedia.org/wiki/Search_engine

    Some engines suggest queries when the user is typing in the search box.. A search engine is a software system that provides hyperlinks to web pages and other relevant information on the Web in response to a user's query.