Information technology, or IT,  describes any technology that powers or enables the storage, processing and information flow within an organization. Anything involved with computers, software, networks, intranets, Web sites, servers, databases and telecommunications falls under the IT umbrella.

Most modern businesses depend heavily on information systems, from employee e-mail to database management to e-commerce Web sites. Hospitals have large patient databases to maintain. Universities have sprawling networks to administer. Even a small, home-based cookie business needs an order-tracking system. The Information Technology Association of America reports that 92 percent of IT professionals work for non-IT companies .

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