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Power equals voltage times current. A USB port that draws 500 mA (0.5 A) at 5 volts is drawing 2.5 watts of power. In Bus-powered USB hubs, each USB port can supply power as well as transfer data. A self-powered hub takes its power from an external power supply unit and can therefore provide full power (up to 500 mA) to every port. Self-powered ...
Jobs returned focus to Apple. The Mac lineup had been incomprehensible, with dozens of hard-to-distinguish models. He streamlined it into four quadrants, a laptop and a desktop each for consumers and professionals. Apple also discontinued several Mac accessories, including the StyleWriter printer and the Newton PDA. [41]
This timeline of Apple products is a list of all computers, phones, tablets, wearables, and other products made by Apple Inc. This list is ordered by the release date of the products. Macintosh Performa models were often physically identical to other models, in which case they are omitted in favor of the identical twin.
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.
iMac G4 1.25 20" (USB 2.0) iMac: July 1, 2004 2004 January 6, 2004 Xserve G5 Xserve: August 7, 2006 Xserve G5 Cluster Node Xserve: August 7, 2006 April 13, 2004 eMac G4/1.25 (USB 2.0) eMac: May 3, 2005 April 19, 2004 iBook G4 (Early 2004) iBook: October 19, 2004 June 9, 2004 Power Mac G5 FX: Power Macintosh: October 19, 2005 August 31, 2004 ...
USB On-The-Go (USB OTG or just OTG) is a specification first used in late 2001 that allows USB devices, such as tablets or smartphones, to also act as a host, allowing other USB devices, such as USB flash drives, digital cameras, mouse or keyboards, to be attached to them. Use of USB OTG allows devices to switch back and forth between the roles ...