Color Graphics Adapter
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The Color Graphics Adapter, originally also called the Color/Graphics Adapter or IBM Color/Graphics Monitor Adapter, introduced in 1981, was IBM's first color graphics card for the IBM PC and establis
IBM CGA graphics card
The CGA light pen header
Back of a CGA Video Adapter board, with the RCA composite output connector visible on the right
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
Color Graphics Adapter
…originally also called the Color/Graphics Adapter or IBM Color/Graphics Monitor Adapter, introduced in 1981, was IBM's first color graphics card for the IBM PC and established a de facto computer display standard. The original IBM CGA graphics card was built around the Motorola 6845 display controller, came…
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