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Webopedia's online computer dictionary offers definitions to tens of thousands of IT words and phrases to help you navigate the complex world of information technology.

To get started, simply choose an IT topic from the following list and browse all Webopedia definitions and phrases related to the specific tech topic you want to learn more about. Or, if you know what you're looking for, simply enter the term in the search box at the top of the page; chances are we've got it covered.

DID YOU KNOW
The Great Data Storage Debate: Is Tape Dead?

Tape clearly is on the decline. But remember, legacy systems can hang for a shockingly long time. Read More »

Apple Pay Promises to Strengthen Payment Security

Experts believe that Apple Pay and other competitive payment systems will be far more secure than cards, even cards equipped with EMV chips. Read More »

Internet of Things Shaping IT's Future

To make the IoT both work and pay off, IT is juggling upgrading and building app-centric networks, mapping out new data center architectures and... Read More »