Information Technology
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INTRODUCTION
The invention of computer accelerated the speed of computing. The invention of Internet has heralded revolutionary changes in the field of communication. The whole world has now shrunk into a global village.
INFORMATION SCIENCE
Information science, deals with what information is and how people use it. Information science also involves the ways computers, microphotography, and other technological developments can help provide people with information. Librarians study information science to learn how to operate a library so that patrons can get information quickly and easily.
INFORMATION PROCESSING
Information processing is the acquisition recording, organizing, retrieval, display, and dissemination of information. In recent years, the term has often been applied to computer-based operations specifically. In popular usage, the term information refers to facts and opinions provided and received during the course of daily life: one obtains information directly from other living beings, from mass media, from electronic data banks, and from all sorts of observable phenomena in the surrounding environment.
ADVANTAGES OF INFORMATION SCIENCE
Information science brings together ideas from many other fields, including communications, computer technology, information theory, linguistics, management, mathematics, and psychology and other behavioural sciences...