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  2. MacBook Pro (Intel-based) - Wikipedia

    en.wikipedia.org/wiki/MacBook_Pro_(Intel-based)

    The Intel-based MacBook Pro is a discontinued line of Macintosh notebook computers sold by Apple Inc. from 2006 to 2021. It was the higher-end model of the MacBook family, sitting above the low-end plastic MacBook and the ultra-portable MacBook Air, and was sold with 13-inch to 17-inch screens.

  3. MacBook Pro - Wikipedia

    en.wikipedia.org/wiki/MacBook_Pro

    The 15-inch model also gained 0.1 pounds (0.045 kg). [29] Save for a third USB 2.0 slot, all the ports on the 17-inch MacBook Pro are the same in type and number as on the 15-inch version. [42] All models came with 4 GB of system memory that was upgradeable to 8 GB. [41]

  4. Soft key - Wikipedia

    en.wikipedia.org/wiki/Soft_key

    A soft key is a button flexibly programmable to invoke any of a number of functions rather than being associated with a single fixed function or a fixed set of functions. A softkey often takes the form of a screen-labeled function key located alongside a display device , where the button invokes a function described by the text at that moment ...

  5. HDMI - Wikipedia

    en.wikipedia.org/wiki/HDMI

    HDMI is a digital replacement for analog video standards. DVI-D, VGA and HDMI connectors on a graphics card. HDMI implements the ANSI/CTA-861 standard, which defines video formats and waveforms, transport of compressed and uncompressed LPCM audio, auxiliary data, and implementations of the VESA EDID. [4] [5]: p.

  6. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.

  7. Push-button telephone - Wikipedia

    en.wikipedia.org/wiki/Push-button_telephone

    A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...

  8. Embedded system - Wikipedia

    en.wikipedia.org/wiki/Embedded_system

    An embedded system on a plug-in card with processor, memory, power supply, and external interfaces. An embedded system is a specialized computer system—a combination of a computer processor, computer memory, and input/output peripheral devices—that has a dedicated function within a larger mechanical or electronic system.

  9. Mouse button - Wikipedia

    en.wikipedia.org/wiki/Mouse_button

    One-button mouse Three-button mouse Five-button ergonomic mouse. A mouse button is an electric switch on a computer mouse which can be pressed (“clicked”) to select or interact with an element of a graphical user interface. Mouse buttons are most commonly implemented as miniature snap-action switches (micro switches).