New answers tagged


The earlier answers correctly say that IBM chose to divide the 14.3818 MHz NTSC color clock by 3. This decision had nothing to do with CGA graphics, however (whose TV output was asynchronous anyway). It was, in fact, carried over from an earlier, now almost-forgotten, IBM personal computer that came with its own built-in five-inch monochrome screen, and ...

Top 50 recent answers are included