File:Acorn Universal Second Processor Unit.jpg
Summary
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Acorn ANC21 Universal Second Processor Unit seen from the front, in the cream "cheese wedge" second processor case with its BBC Microcomputer System label.
Source
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https://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_ANC21_Uni2ProcA.jpg, from the page https://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_ANC21_Uni2Proc.html (retrieved 2026-10-02).
Author
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Chris Whytehead (Chris's Acorns), now part of the Chris Whytehead collection at The Centre for Computing History.
Licence
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Creative Commons Attribution-ShareAlike 3.0 (CC BY-SA 3.0), https://creativecommons.org/licenses/by-sa/3.0/. Chris's Acorns states that its text and photos "may be reused under the CC-BY-SA 3.0 license unless otherwise specified" (home page, https://chrisacorns.computinghistory.org.uk/index.html). Credit: Chris Whytehead, Chris's Acorns.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:35, 2 October 2026 | | 344 × 480 (10 KB) | Josh (talk | contribs) | Upload |
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