As mentioned before, people relied on writing for recording data/information in the past. It was a time consuming process and required another series of work for data retrieval. Even the invention of typewriter has alleviated the pains of inputting data by writing, higher risk of human errors were still unavoidable. Moreover, sharing of information could only be made by sending hard copy, e.g. via mailing. Even the invention of telegram has improved the efficiency on information sharing, the real break-through of such barrier was the introduction of computer and the development of internet indeed, i.e. the major elements Information Technology.
Information Technology is concerned with improvements in a variety of human and organizational problem-solving endeavors through the design, development, and use of technologically based systems and processes that enhance the efficiency and effectiveness of information in a variety of strategic, tactical, and operational situations. Ideally, this is accomplished through critical attention to the information needs of humans in problem-solving tasks and in the provision of technological aids, including electronic communication and computer-based systems of hardware and software and associated processes. Information technology complements and enhances traditional engineering through emphasis on the information basis for engineering.
It plays a role in improving the overall value chain of an organization increase requires business