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English definition of “IT”

IT

noun [U]     /ˌaɪˈtiː/
IT abbreviation for information technology : the science and activity of using computers and software to store and send information : Leapfrogging outdated IT is one way that developing nations can beat the industrialized world . IT consultant / director / manager IT department / division / staff IT professional / specialist
IT companies or organizations that sell or provide goods or services relating to computers , software , access to the internet , etc.: IT industry/sector The IT industry has the systems to gather and manage more data than the world can produce . jobs/work in IT The agency deals with a wide range of jobs in IT.
IT, WORKPLACE the department in an organization that is responsible for electronic equipment and services , including computers , software , and internet access : Take your computer to IT and they'll put a new hard drive in it.
(Definition of IT noun from the Cambridge Business English Dictionary © Cambridge University Press)
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