<P> The IBM Personal Computer XT , often shortened to the IBM XT , PC XT , or simply XT , is a version of the IBM PC with a built - in hard drive . It was released as IBM Machine Type number 5160 on March 8 , 1983 . Apart from the hard drive , it was essentially the same as the original PC , with only minor improvements . The XT was mainly intended as an enhanced IBM PC for business users . Later floppy - only models would effectively replace the original model 5150 PC . A corresponding 3270 PC featuring 3270 terminal emulation was released later in October 1983 . XT stands for eXtended Technology . </P>
<P> The IBM Personal Computer XT , often shortened to the IBM XT , PC XT , or simply XT , is a version of the IBM PC with a built - in hard drive . It was released as IBM Machine Type number 5160 on March 8 , 1983 . Apart from the hard drive , it was essentially the same as the original PC , with only minor improvements . The XT was mainly intended as an enhanced IBM PC for business users . Later floppy - only models would effectively replace the original model 5150 PC . A corresponding 3270 PC featuring 3270 terminal emulation was released later in October 1983 . XT stands for eXtended Technology . </P>
when was the ibm xt microcomputer released in the market
when was the ibm xt microcomputer released in the market
March 8 , 1983
March 8 , 1983