Information technology refers to the creation, gathering, processing, storing, protecting, presenting and dissemination of information using computers, hardware, software and telecommunication technology. The document discusses the introduction to IT, components of a computer like its organization, and the five generations of IT development from the first generation of large vacuum tube computers in the 1940s-1950s to the current fifth generation of personal computers and mobile devices.
3. Introduction to Information
Technology
Information Technology is the application of
Computers towards organizing and efficient
retrieval/reporting of information.
4. Computer
Information Technology refers to the
creation, gathering, processing, storing,
protecting, presenting and dissemination of
information using , hardware, software and
telecommunication technology
6. Generations of Information
Technology
First Generation (1946-59)
Second Generation(1957-64)
Third Generation(1965-70)
Fourth Generation(1970-90)
Fifth Generation(1990 till date)