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  2. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    A tower type UPS with one IEC 60320 C14 input and three C13 outlets. A large data-center-scale UPS being installed by electricians. An uninterruptible power supply ( UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.

  3. Tell-tale (automotive) - Wikipedia

    en.wikipedia.org/wiki/Tell-tale_(automotive)

    Tell-tale (automotive) A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine". Graphical tell-tales. A tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.

  4. Comparison of CRT, LCD, plasma, and OLED displays - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_CRT,_LCD...

    For the majority of images it will consume 60–80% of the power of an LCD. OLED displays use 40% of the power of an LCD displaying an image that is primarily black as they lack the need for a backlight, [ 39] while OLED can use more than three times as much power to display a mostly white image compared to an LCD. [ 40]

  5. Grabb-It wants to turn your car's window into a trippy video ...

    techcrunch.com/2018/08/15/grabb-it-wants-to-turn...

    Grabb-It turns a car’s side rear window into a full-color display, playing location-aware ads to anyone who might be standing curbside. They’re currently aiming to work with rideshare/delivery ...

  6. LED screen shows happy thoughts in your rear window - Engadget

    www.engadget.com/2018-06-06-carwink-led-screen...

    LED screen shows happy thoughts in your rear window. Don't even think about using swear words or a middle finger emoji, it'll only share positive messages. When I commuted by car every day, I ...

  7. The secret to this interactive hologram tech is water vapor

    www.engadget.com/2014-10-07-interactive...

    The not-so-cleverly-named Leia Display System (LDS) uses a combination of light, water-vapor and air to provide a transparent canvas for projected images while sensors track movement and touch ...

  8. Tesla recalls 200,000 vehicles because of a faulty backup camera

    www.engadget.com/tesla-recalls-200000-vehicles...

    To that end, all of the recalled vehicles feature Tesla’s “Full Self-Driving” computer 4.0 and run software version 2023.44.30 through 2023.44.30.6, or 2023.44.100.

  9. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    Power-on self-test. A power-on self-test ( POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [1] POST processes may set the initial state of the device from firmware and detect if any hardware components are non-functional.