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==Classes by purpose==
{{chart top|width=95%|Classes of Computers|collapsed=yes}}
{{chart/start|align=center|summary=Computer chart}}
{{chart| | | | | | | |Computer|Computer=Computer}}
{{chart| | | | |,|-|-|'|!|`|-|-|.| }}
{{chart| | | |Analog| |Hybrid| |Digital|Analog=Analog|Hybrid=Hybrid|Digital=Digital}}
{{chart| | | | | | | | |!| }}
{{chart| | | |,|-|-|v|-|^|-|v|-|-|.| }}
{{chart| |Super| |Mainframe| |Mobile| |Mini| |Micro|Super=Super Computers|Mainframe=Mainframe Computers||Mobile=Mobile Computers|Mini=Mini Computers|Micro=Micro Computers}}
{{chart/end}}
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|style="text-align: left;"|'''Notes:'''
{{notelist-lr}}<!--- use either {{Efn-lr}} and/or <ref group=lower-roman /> To fill this notelist -->
{{chart bottom}}
=== Microcomputers (personal computers) ===
===Minicomputers (mid-range computers)===
[[Minicomputer]]s (colloquially, minis) are a class of multi-user [[computer]]s that lie in the middle range of the computing spectrum, in between the smallestlargest [[mainframe computer]]s and the largestsmallest single-user systems ([[microcomputer]]s or [[personal computers]]). The term [[superminicomputer|supermini computer]] or simply supermini was used to distinguish more powerful minicomputers that approached mainframes in capability. Superminis (such as the [[Digital Equipment Corporation|DEC]] [[VAX]] or [[Data General Eclipse MV/8000]]) were usually [[32-bit]] at a time when most minicomputers (such as the [[PDP-11]] or [[Data General Eclipse]] or [[IBM Series/1]]) were [[16-bit]]. These traditional minicomputers in the last few decades of the 20th century, found in small to medium-sized businesses, laboratories and embedded in (for example) hospital [[CAT scanner]]s, often would be [[19-inch rack|rack-mounted]] and connect to one or more [[Computer terminals|terminals]] or [[punched tape|tape]]/[[punched card|card]] readers, like mainframes and unlike most personal computers, but require less space and electrical power than a typical mainframe. This term has fallen into disuse.<ref>{{Cite web |title=Google Books Ngram Viewer |url=https://books.google.com/ngrams/graph?content=Minicomputer&year_start=1800&year_end=2019&corpus=26&smoothing=3&direct_url=t1;,Minicomputer;,c0 |access-date=2023-11-10 |website=books.google.com |language=en}}</ref>
===Mainframe computers===
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