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Notes and Reflections on Books and Media

by Hannah Leitheiser

Plama Display

#platocomputer #cerl #plasma #crt #videomemory

The Friendly Orange Glow: The Untold Story of the PLATO System and the Dawn of Cyberculture

Brian Dear

2017

Link

2019-09-10

In the '70's PLATO had a plasma flat-screen display. Pixel state persisted, meaning video memory was not necessary. When the cost of memory dropped, monitors became bulky CRT's.


(A CRT image needs
to be redrawn
many times a second,
so a computer must
have the pixels to
be drawn stored
and ready.)

Image Source (Author: Mtnman79)