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An IT specialist, computer professional, or an IT professional may be: a person working in the field of information technology; a person who has undergone training in a computer-field-related colleges, universities and computer institutes; or; a person who has proven extensive knowledge in the area of computing.
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An architect is an example of a typical "knowledge worker" Knowledge workers spend a portion of their time searching for information. [ 5 ] They are also often displaced from their bosses, working in various departments and time zones or from remote sites such as home offices and airport lounges . [ 6 ]
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Before that time, computers were programmed either by customers or the few commercial computer manufacturers of the time, such as Sperry Rand and IBM. [10] The software industry expanded in the early 1960s, almost immediately after computers were first sold in mass-produced quantities. Universities, governments, and businesses created a demand ...
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Human computers were used to compile 18th and 19th century Western European mathematical tables, for example those for trigonometry and logarithms.Although these tables were most often known by the names of the principal mathematician involved in the project, such tables were often in fact the work of an army of unknown and unsung computers.