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  2. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    Prior to the iMac line of systems, Apple used the proprietary Apple Desktop Bus for its keyboard connector. Wireless keyboards have become popular. A wireless keyboard must have a transmitter built in, and a receiver connected to the computer's keyboard port; it communicates either by radio frequency (RF) or infrared (IR) signals.

  3. User error - Wikipedia

    en.wikipedia.org/wiki/User_error

    Phrases used by the tech savvy to mean that a problem is caused entirely by the fault of the user include PEBKAC [8] (an acronym for "problem exists between keyboard and chair"), PEBCAK [9] (an alternative, but similar, acronym for "problem exists between chair and keyboard"), POBCAK (a US government/military acronym for "problem occurs between ...

  4. Chiclet keyboard - Wikipedia

    en.wikipedia.org/wiki/Chiclet_keyboard

    A white standard wired chiclet keyboard (flat keyboard) A chiclet keyboard is a computer keyboard with keys that form an array of small, flat rectangular or lozenge-shaped rubber or plastic keys that look like erasers or "Chiclets", a brand of chewing gum manufactured in the shape of small squares with rounded corners.

  5. Apple Desktop Bus - Wikipedia

    en.wikipedia.org/wiki/Apple_Desktop_Bus

    Apple Desktop Bus (ADB) is a proprietary [1] bit-serial peripheral bus connecting low-speed devices to computers. It was introduced on the Apple II GS in 1986 as a way to support low-cost devices like keyboards and mice, enabling them to be connected together in a daisy chain without the need for hubs or other devices.

  6. Apple keyboards - Wikipedia

    en.wikipedia.org/wiki/Apple_keyboards

    Apple Inc. has designed and developed many external keyboard models for use with families of Apple computers, such as the Apple II, Mac, and iPad.The Magic Keyboard and Magic Keyboard with Numeric Keypad designed to be used via either Bluetooth and USB connectivity, and have integrated rechargeable batteries; The Smart Keyboard and Magic Keyboard accessories for iPads are designed to be ...

  7. List of computer system manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_system...

    Exited the computer business following permanent injunction to stop selling computers with Apple's Mac OS X: Pyramid Technology — United States: 1981: 1995: Acquired by Siemens: Quantex Microsystems — United States: 1984: 2000: Bankruptcy: Quasar Data Products — United States: 1978: 1986: Dissolution: Réalisation d'Études Électroniques ...

  8. PS/2 port - Wikipedia

    en.wikipedia.org/wiki/PS/2_port

    The bidirectional IBM AT and PS/2 keyboard interface is a development of the unidirectional IBM PC keyboard interface, using the same signal lines but adding capability to send data back to the keyboard from the computer; this explains the asymmetry. [3] The interface has two main signal lines, Data and Clock.

  9. Apple pointing devices - Wikipedia

    en.wikipedia.org/wiki/Apple_pointing_devices

    The Magic Keyboard for iPad, released on April 22, 2020, is a keyboard case that includes a scissor-switch keyboard and multi-touch trackpad, to accompany the addition of mouse support in iPadOS. Apple released a modified Magic Keyboard in May 2021 to accommodate the slightly thicker 5th generation iPad Pro , which is also compatible with the ...