information technology
US /ˌɪnfərˈmeɪʃn tekˈnɑːlədʒi/
UK /ˌɪnfərˈmeɪʃn tekˈnɑːlədʒi/
1.
the study or use of systems (especially computers and telecommunications) for storing, retrieving, and sending information
:
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He works in the field of information technology.
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Many companies are investing heavily in information technology infrastructure.