Input of information in an organization involves the process of employing computer systems to carry out a series of operations on the data in order to present, interpret, or obtain information. The process involves activities such as data entry, summary, calculation, and storage of various appropriate forms such as diagrams, reports, graphics, and document viewers. This is done through the use of a keyboard, scanner, or data entry from an existing source.
Information retrieval is the technique and process of searching, recovering, and interpreting information from large amounts of stored data. It involves the process of recovering information, especially in a database stored in a computer. It is concerned with the structure and operation of devices to select the documentary information and response to search questions.
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