Output devices serve the reverse function of input devices. They let the computer tell you what it has processed. Without output devices the user would not be able to communicate with the computer. So just like input devices, output devices are a necessity to function. There are three output devices that are standard to the computer: display devices, printer, and speakers. 
 
 
 
 
 
 
 
 
 
 

All material and images on these pages are copyright Joseph,Ed. This page was developed for the Thinkquest1999 competition.