[W/K] :: IBM PC AT

  IBM PC AT
       
           ("Advanced Technology") A version of the IBM PC,
          released in Aug 1984 with an Intel 80286 processor, a 16-bit
          bus, a medium-speed hard disk and a 1.2 megabyte
          floppy disk drive.  It had a larger case than the PC,
          which allowed it to accept "{tall cards".
       
          The AT keyboard corrected the PC's non-standard placement of
          the return and left shift keys but shortened the backspace
          key, making it harder to reach.
       
          (1995-03-01)