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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?	Related Categories PCs Related Terms Shopping AT Products Compare Products,Prices and Stores Shop by Category: Hard Drives 709 Store Offers Sport and Outdoor 402174 Store Offers Cellular Phones 1 Model Matches Projection Screens 10255 Model Matches Clothing 368915 Store Offers