IBM Personal Computer
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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
IBM PC with MDA monitor
IBM BASIC
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The IBM Personal Computer BASIC, commonly shortened to IBM BASIC, is a programming language first released by IBM with the IBM Personal Computer, Model 5150 in 1981. IBM released four different versio
Five 8 KB ROM DIP chips and an empty 8 KB ROM expansion socket, on an IBM PC motherboard. Four chips hold Cassette BASIC, and one holds the BIOS.
