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The Complete Idiot's Guide to MBA Basics, 3rd Edition by Tom Gorman

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Information Systems Keeps Everyone Informed

The information technology function, or IT, runs the company’s computer systems. Computers have become so essential to running a business that the importance of this department has increased more than that of any other in the past 20 years. No longer does senior management view IT, which used to be called data processing, as a backwater remote from the company’s “real business.” IT is now integral to most businesses, especially large service businesses.
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MBA LINGO
The information technology, or IT, function defines the company’s requirements for computers, software, Internet, and related items; purchases, ...

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