Sketchpad
concept · 1963 · Digital age
The first interactive graphics program, with a light pen.
Developer: Ivan Sutherland.
Principles and materials it uses
- Light pen — uses. A light pen.
- Cathode-ray tube — uses. A CRT screen.
History: what it evolved from and what it influenced
- CAD — evolved into. Sketchpad was the first CAD system.
- Graphical user interface — inspired. The ideas of direct manipulation of objects.
What it is a kind of
- Computer graphics — is a kind of. One of the first interactive graphics programs.