If your small business is typical, you want to get the longest lifespan possible from your tech investment, and therefore you may have an older dot-matrix or laser printer with a parallel port that ...

Older printers connect to computers via a parallel cable. For the past several years, the USB connection has replaced the parallel connection for the vast majority of printers. Newer computers often ...

Any peripheral component can be controlled by the 25-pin parallel port by assigning a high & low or ON & OFF state to each pin. During the design of the project, a Super Nintendo Entertainment System ...