What does PC input/output actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Computer Input Check the output ports on your computer. Computers have a VGA, DVI, mini-DVI or HDMI output port available.

Input/Output Ports When evaluating a laptop, ensure the available input and output ports meet your needs.

Your USB audio port can be surprisingly useful--giving you even better sound than your computer's regular audio output. Here's how to use it.