Not That Portal

One of your new laptop computers has a small interface that appears to support a modular connector with eight contacts. What type of connection is typically supported with this connector?

A) Printer

B) Video

C) Network

D) Modem

E) Octopus

The answer: C) Network

An RJ-45 port in a computer is used for wired Ethernet network connections. This connection is an 8P8C connection, which stands for 8 position 8 contact. This connection looks very similar to a modem connection, but a modem’s RJ-11 connector has a smaller 6P4C connector.

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.