Term of the Day
Big Sur
Big Sur (macOS 11) is the 17th version of Apple's macOS (formerly Mac OS X) operating system. It followed macOS Catalina and was released on November 12, 2020. macOS 11 Big Sur includes major user interface updates. The overall appearance of the operating system is lighter, more colorful, and more spacious. The application and Finder windows have a full-height sidebar, the Dock has a new "floating" look ... Read More
Today's Quiz Question
In what year was the 802.11a wireless standard released?
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