CGA monitors may not be an amazing technological advance these days, but they can generally be found very cheaply. Additionally, they have a DB-9 connector and work off of TTL ranges (0-5VDC) making ...
When IBM introduced the Intel 8080-based Personal Computer (PC) in 1981, it was equipped with an add-in board (AIB) called the Color Graphics Adaptor (CGA) (Fig. 1). The CGA AIB had 16 Kbytes of video ...
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