Webopedia on Google+Webopedia on TwitterWebopedia on FacebookTech Bytes Blog
Main » TERM » A »

AT

(1) Short for advanced technology, the AT is an IBM PC model introduced in 1984. It includes an Intel 80286 microprocessor, a 1.2MB floppy drive, and an 84-key AT keyboard.

Today, the term is used more generally to refer to any PC with an 80286 processor.

Also see From AT to BTX: Motherboard Form Factors  in Webopedia's "Did You Know...?" section.

(2) See @ sign.

(3) Short for assistive technology.







TECH RESOURCES FROM OUR PARTNERS
LATEST ARTICLES
Slideshow: 5 Hot Holiday Gifts for Tech Enthusiasts

From cute electronic toys to VR gaming, here are 5 hot gifts to give to your special tech enthusiast this holiday season. Read More »

What's Hot in Tech: AI Tops the List

Like everything in technology, AI touches on so many other trends, like self-driving cars and automation, and Big Data and the Internet of Things... Read More »

DevOp's Role in Application Security

As organizations rush to release new applications, security appears to be getting short shrift. DevSecOps is a new approach that holds promise. Read More »

STUDY GUIDES
Java Basics, Part 1

Java is a high-level programming language. This guide describes the basics of Java, providing an overview of syntax, variables, data types and... Read More »

Java Basics, Part 2

This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. Read More »

The 7 Layers of the OSI Model

The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »