A 1958 article in the Harvard Business Review referred to information technology as consisting of three basic parts: computational data processing, decision support, and business software.
Information technology refers to anything related to computing technology, such as networking, hardware, software, the Internet, or the people who work with these technologies.
Many companies now have IT departments to manage the computer, network and other technical areas of their business. IT jobs include computer programming, network administration, computer engineering, web development, technical support, and many other related occupations.
Since we live in a "world of information", information technology has become a part of our daily lives. This means that the word "IT" is already overused.
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Over the ensuing decades, many corporations created so-called "IT departments" to manage their business-related computer technologies. Everything these departments worked on became the de facto definition of information technology, which has evolved over time. Today, IT departments have responsibilities in the following areas:
computer technology support
Business Computer Network and Database Administration
business software deployment
information security
Especially during the dot com boom of the 1990s, information technology also became associated with aspects of computing outside those owned by IT departments. This broad definition of IT includes areas such as:-
software development
computer system architecture
project management
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