Chapter 13. Video Hardware
Video Display Technologies
Although a video display is as vital to a PC’s user interface as the mouse and keyboard, the video display is actually a latecomer to computing. Before CRT (cathode ray tube) monitors came into general use, the teletypewriter was the standard computer interface—a large, loud device that printed the input and output characters on a roll of paper. Early personal computers often used nothing more than a panel of blinking LEDs for a display.
The first CRT displays used on computers were primitive by today’s standards; they displayed only text in a single color (usually green), but to users at the time they were a great improvement, allowing real-time display of input and output data. Over time, color ...
Get Upgrading and Repairing PCs, Eighteenth Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
