Quality Micro Systems, Inc., later QMS, Inc., was an American computer hardware company independently active from 1977 to 2000 and based in Mobile, Alabama. Founded to produce industrial label printer
Site of former headquarters of Quality Micro Systems in Mobile, Alabama, now occupied by the Mobile County Public School System
The IBM Personal Computer, often referred to as the IBM PC, is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 1
Internal view of the IBM PC (from the back), showing components and layout. This PC has been outfitted with aftermarket floppy and hard disk drives, but the motherboard and most of the expansion cards are stock.
Original IBM PC motherboard with 16 KB RAM soldered and 48 KB socketed, for a total of 64 KB onboard
Later IBM PC motherboard with 64 KB RAM soldered and 192 KB socketed, for a total of 256 KB onboard