AT Last modified: Thursday, May 25, 2006
(1) Short for advanced technology, the AT is an IBM PC model introduced in 1984. It includes an Intel 80286 microprocessor, a 1.2MB floppy drive, and an 84-key AT keyboard. Today, the term is used more generally to refer to any PC with an 80286 processor. Also see From AT to BTX: Motherboard Form Factors  in Webopedia's "Did You Know...?" section. (2) See @ sign. (3) Short for assistive technology.
Webopedia Did You Know - From AT to BTX: Motherboard Form Factors You've probably heard the term motherboard a thousand times, but do you know what it really means and how it relates to the rest of your computer?

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