O'Reilly logo

How Computers Work: The Evolution of Technology, Tenth Edition by Timothy Edward Downs, Ron White

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 15. How a Computer Creates Visions

Image

This is how desperate early computer users were to have PCs that could show a picture. They were so determined to have a screen of objects that moved around and changed shape, kind of like the moving images on TV screens, that they created what you see in the small screenshot next to these words.

It’s a Pac-Man game created entirely with ASCII characters—for the most part the everyday, mundane letters and punctuation you use for text. Although it’s certainly not a treat for the eyes, games like this were amazingly playable—just as capable of providing hours of procrastination as full-blown graphic games ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required