What is a DE-15?

You’re reading through the hardware documentation on a new laptop, and you notice that one of the ports is identified as a DE-15. What is the most common use of a DE-15 port?

A) Audio output

B) Removable storage interface

C) Mouse and keyboard

D) Video output

E) It’s one of those ports that comes with the computer but doesn’t actually do anything

The answer: D) Video output

The DE-15 port is most commonly used for analog video through a VGA cable.

Want to know more? Watch “I/O Interfaces.”

If you look at the back of any computer, you’ll find many different ports staring back at you. In this video, you’ll learn to recognize some of the most common motherboard ports and connectors, including audio ports, video ports, and communication interfaces.