1-bit computing: Difference between revisions

Revision as of 20:01, 21 December 2016

Revision as of 09:44, 3 January 2017

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A typical sequence of instructions from a program for a 1-bit architecture might be:

* load digital input 1 into a 1-bit register;

* [[Logical disjunction|OR]] the value in the 1-bit register with input 2, leaving the result in the register;

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This architecture was considered superior when the program makes the decisions rather than performing computations, [[ladder logic]], also for serial data processing.<ref>[http://tinymicros.com/mediawiki/images/e/ec/MC14500B_Handbook.pdf Motorola MC14500B Application Handbook]</ref>

1-bit CPUs can be considered obsolete now, not many kinds have been produced (MC14500B and WDR-1 known) and none known to be available in the major computer component stores ({{as of|2014|lc=y}}, a few on eBay<ref>http://www.ebay.com/itm/Motorola-IC-MC14500B-MC14500BCL-100-NEW-/320837692605</ref>). Finnish company Partco still sells MC14500B as spare part in 20162017.<ref>{{cite web |url=http://www.partco.biz/verkkokauppa/product_info.php?products_id=2532&language=en |title=CMOS-LOGIC IC 4500 DIP16 |quote=Also known as MC14500BCP |access-date=January 3, 2017}}</ref>

== See also ==