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 ...

With the continuing manufacture of new computers, there is a clear and obvious trend of the parallel port becoming less and less common. For our younger readers; the parallel port is an interface ...

Where are these cables exactly? Perhaps they aren't exactly parallel cables but special purpose cables using db-25 ends. However, i thought i saw the signal specs for serial nrz-l or nrzi to be ...

What is a serial port? Serial ports are generally built into the motherboard. This is why the connectors behind the casing that are connected to the motherboard by a wire cable can be used to connect ...