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  2. MagSafe - Wikipedia

    en.wikipedia.org/wiki/MagSafe

    The Apple MagSafe power adapter's 1-Wire communication chip is located inside the MagSafe connector itself; the cable does not carry the data line to the power adapter enclosure. [18] The maximum voltage supplied is as follows: 14.5 V DC for the 45 W units supplied with MacBook Air; 16.5 V DC for the 60 W units supplied with MacBook and 13 ...

  3. MacBook Air - Wikipedia

    en.wikipedia.org/wiki/MacBook_Air

    Steve Jobs introduced the MacBook Air during Apple’s keynote address at the 2008 Macworld conference on January 15, 2008. [4] The first MacBook Air was a 13.3-inch model, initially promoted as the world's thinnest notebook at 1.9 cm (0.75 in) (a previous record holder, 2005's Toshiba Portege R200, was 1.98 cm (0.78 in) high).

  4. AC adapter - Wikipedia

    en.wikipedia.org/wiki/AC_adapter

    An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.

  5. Lightning (connector) - Wikipedia

    en.wikipedia.org/wiki/Lightning_(connector)

    The Lightning to 30-pin adapter supports only a limited subset of the available 30-pin signals: USB data, USB charging, and analog audio output (via the DAC inside of the adapter [28]). Lightning connectors contain an authentication chip that makes it difficult for third-party manufacturers to produce compatible accessories without being ...

  6. Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Main_Page

    Donald Forrester Brown (23 February 1890 – 1 October 1916) was a New Zealand recipient of the Victoria Cross, the highest award for valour in the face of the enemy that could be awarded at that time to members of the British and Commonwealth armed forces.

  7. Laptop - Wikipedia

    en.wikipedia.org/wiki/Laptop

    [13] [16] It had an LCD screen, a rechargeable battery, and a calculator-size printer, in a 1.6 kg (3.5 lb) chassis, the size of an A4 notebook. [13] It was described as a "laptop" and "notebook" computer in its patent. [14] The Epson HX-20, the first "notebook computer", was invented in 1980 and introduced in 1982. GRiD Compass 1101 (1982)