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== History ==
<ref>http://www.csrtechnologygroup.com/solutions/centralized-computing.html</ref>The very first computers did not have separate terminals as such; their primitive input/output devices were built in. However, soon it was found to be extremely useful for multiple people to be able to use a computer at the same time, for reasons of cost - early computers were very expensive, both to produce and maintain, and occupied large amounts of floor space. The idea of centralized computing was born. Early [[text terminal]]s used electro-mechanical [[teletypewriter]]s, but these were replaced by [[cathode ray tube]] displays (as found in 20th century televisions and computers). The text terminal model dominated computing from the 1960s until the rise to dominance of [[home computer]]s and [[personal computer]]s in the 1980s.
== Contemporary status ==
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