Identifying a Few Common Computer Cables

HDMI - Wikipedia - Commonly used for video input/output

Open

HDMI Connector

DisplayPort - Wikipedia Commonly used for video input/output

Open

DisplayPort Connector

Mini DisplayPort - Wikipedia Commonly used for video input/output

Ethernet - Wikipedia (RJ45) Commonly used for wired networking

USB - Wikipedia -- Images for multiple USB types on page - Universal connector, multiple purposes