Term of the Day
PoE
Stands for "Power over Ethernet." PoE provides electrical current over an Ethernet connection. It powers electronic devices via Ethernet cabling without the need for batteries or a wall outlet. Multiple PoE standards exist, but they all provide both data and electrical power over a single cable. One method, known as "Alternative A," uses the same wires within the Ethernet cable to transmit power and data. "Alternative B" uses one set of ... Read More
Today's Quiz Question
What is a one-to-one transmission over the Internet called?
Recently Updated
About TechTerms.com
TechTerms.com is a free online dictionary of computer and Internet terms. Each definition is written using everyday language, to make technical terms and advanced concepts easy to understand. Learn more about TechTerms.com.
Get the Tech Terms App:
Related Sites
TechTerms Newsletter
Subscribe to the daily or weekly newsletter and get featured terms and quizzes delivered to your inbox.
Recent Updates
- April 1, 2026Published new quizzes for Q2 2026
- January 2, 2026Version 2.4 of the Tech Terms Dictionary iOS app is now available.
- January 2, 2026Version 2.4 of the Tech Terms Dictionary Android app is now available.
- January 1, 2026Published new quizzes for Q1 2026
- October 1, 2025Published new quizzes for Q4 2025
- July 1, 2025Published new quizzes for Q3 2025