Printing
Dot Matrix printers
Apple Laser Writer Printer:
The Laser Writer is a laser printer with built-in PostScript interpreter introduced by Apple Computer in 1985.
Adobe Post Scripts
PostScript is a page description language (PDL) developed by Adobe Systems. It is primarily a language for printing documents on laser printers, but it can be adapted to produce images on other types of devices.
Color ink-jet printers
A printer that propels droplets of ink directly onto the medium. Today, almost all inkjet printers produce color.