Information technology (IT) is the application of computers and telecommunications equipment to store, retrieve, transmit and manipulate data, often in the context of a business or other enterprise.In easy language:The study or use of systems (especially computers and telecommunications) for storing, retrieving, and sending information.
The Wikipedia website has an excellent article on information management systems (IMS). It gives comprehensive information on the history and application of these systems.
I. G. Wilson has written: 'Information, computers and systems design' 'What computers cannot do'
Information Systems
Some types of information technology include computer systems that translate or store information and the programming of these computers. This field also includes the building of websites and computer instruction.
the study or use of systems (especially computers and telecommunications) for storing, retrieving, and sending information.
Information systems are a network of computers linked to perform many different functions in business. Information systems connect the accounting, marketing and information technology departments.
Computers have a large number of applications in variety of fields. Computers have great applications in the field of Information Technology, Physics, Medical sciences, Artificial intelligence, Robotics, Information Systems, Economics, Statistics, Financial Management, Nuclear Physics, Businesses, Human Resource Management etc. Computers are widely used by the businesses and organizations for effective management of information and resources in almost all departments. Marketing and advertising agencies rely on computer databases of customers and various other tools to track the needs of the customers. Human Resource Management Information Systems help organizations to keep record about the employees. Computers are used in networks which help individuals in the organizations to communicate with each other by sharing files and important documents.
Informations systems are usually associated with computers. This is why we have the term Information Technology. Any way of organising information can be said to be an information system. The best example in computers is a database. In the non-computer world, things like an address book or a diary would be forms of information systems, or evening something as simple as a shopping list.
The Federal Information Security Modernization Act (FISMA) requires all users of federal computers to be trained in information systems security concerns. This act outlines the requirements for federal agencies to develop, document, and implement security programs to protect their information and systems.
Gary J. Nutt has written: 'Operating system projects using Windows NT' -- subject(s): Microsoft Windows NT, Operating systems (Computers) 'Operation Systems' 'A survey of remote monitoring' -- subject(s): Electronic digital computers, Evaluation 'Open systems' -- subject(s): Application software, Computer networks, Distributed operating systems (Computers)
C. Patrick Fleenor has written: 'Computers on the job' -- subject(s): Computers, Management information systems, Psychological aspects, Psychological aspects of Computers