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- SWAC_(computer) abstract "The SWAC (Standards Western Automatic Computer) was an early electronic digital computer built in 1950 by the U.S. National Bureau of Standards (NBS) in Los Angeles, California. It was designed by Harry Huskey. Like the SEAC which was built about the same time, the SWAC was a small-scale interim computer designed to be built quickly and put into operation while the NBS waited for more powerful computers to be completed (in particular, the RAYDAC by Raytheon).The machine used 2,300 vacuum tubes. It had 256 words of memory, using Williams tubes, with each word being 37 bits. It had only seven basic operations: add, subtract, and multiply (single precision and double precision versions); comparison, data extraction, input and output.Several years later drum memory was added.When the SWAC was completed in July 1950, it was the fastest computer in the world. It continued to hold that status until the IAS computer was completed a year later. It could add two numbers and store the result in 64 microseconds. A similar multiplication took 384 microseconds. It was used by the NBS until 1954 when the Los Angeles office was closed, and then by UCLA until 1967 (with modifications). It was charged out there for $40 per hour.In 1952, Raphael M. Robinson used the SWAC to discover five Mersenne primes—the largest prime numbers known at the time, with 157, 183, 386, 664 and 687 digits.".
- SWAC_(computer) thumbnail Museum_of_Science,_Boston,_MA_-_IMG_3160.JPG?width=300.
- SWAC_(computer) wikiPageExternalLink 00586073.pdf.
- SWAC_(computer) wikiPageExternalLink 107291.
- SWAC_(computer) wikiPageExternalLink 41420.
- SWAC_(computer) wikiPageID "1965369".
- SWAC_(computer) wikiPageLength "3436".
- SWAC_(computer) wikiPageOutDegree "29".
- SWAC_(computer) wikiPageRevisionID "679274732".
- SWAC_(computer) wikiPageWikiLink Bit.
- SWAC_(computer) wikiPageWikiLink Category:Early_computers.
- SWAC_(computer) wikiPageWikiLink Category:One-of-a-kind_computers.
- SWAC_(computer) wikiPageWikiLink Category:Vacuum_tube_computers.
- SWAC_(computer) wikiPageWikiLink Charles_Babbage_Institute.
- SWAC_(computer) wikiPageWikiLink Computer.
- SWAC_(computer) wikiPageWikiLink Computer_data_storage.
- SWAC_(computer) wikiPageWikiLink Computer_storage.
- SWAC_(computer) wikiPageWikiLink Double-precision_floating-point_format.
- SWAC_(computer) wikiPageWikiLink Double_precision.
- SWAC_(computer) wikiPageWikiLink George_Forsythe.
- SWAC_(computer) wikiPageWikiLink Harry_Huskey.
- SWAC_(computer) wikiPageWikiLink IAS_machine.
- SWAC_(computer) wikiPageWikiLink IEEE_Computer_Society.
- SWAC_(computer) wikiPageWikiLink Largest_known_prime_number.
- SWAC_(computer) wikiPageWikiLink List_of_vacuum_tube_computers.
- SWAC_(computer) wikiPageWikiLink Mersenne_prime.
- SWAC_(computer) wikiPageWikiLink Microsecond.
- SWAC_(computer) wikiPageWikiLink Microseconds.
- SWAC_(computer) wikiPageWikiLink National_Bureau_of_Standards.
- SWAC_(computer) wikiPageWikiLink National_Institute_of_Standards_and_Technology.
- SWAC_(computer) wikiPageWikiLink RAYDAC.
- SWAC_(computer) wikiPageWikiLink Raphael_M._Robinson.
- SWAC_(computer) wikiPageWikiLink Raytheon.
- SWAC_(computer) wikiPageWikiLink SEAC_(computer).
- SWAC_(computer) wikiPageWikiLink Single-precision_floating-point_format.
- SWAC_(computer) wikiPageWikiLink Single_precision.
- SWAC_(computer) wikiPageWikiLink United_States.
- SWAC_(computer) wikiPageWikiLink University_of_California,_Los_Angeles.
- SWAC_(computer) wikiPageWikiLink Vacuum_tube.
- SWAC_(computer) wikiPageWikiLink Williams_tube.
- SWAC_(computer) wikiPageWikiLink File:Museum_of_Science,_Boston,_MA_-_IMG_3160.JPG.
- SWAC_(computer) wikiPageWikiLinkText "SWAC (computer)".
- SWAC_(computer) wikiPageWikiLinkText "SWAC computer".
- SWAC_(computer) wikiPageWikiLinkText "SWAC".
- SWAC_(computer) wikiPageWikiLinkText "Standards Western Automatic Computer".
- SWAC_(computer) wikiPageWikiLinkText "Western Automatic Computer (SWAC)".
- SWAC_(computer) hasPhotoCollection SWAC_(computer).
- SWAC_(computer) wikiPageUsesTemplate Template:Reflist.
- SWAC_(computer) subject Category:Early_computers.
- SWAC_(computer) subject Category:One-of-a-kind_computers.
- SWAC_(computer) subject Category:Vacuum_tube_computers.
- SWAC_(computer) hypernym Computer.
- SWAC_(computer) type InformationAppliance.
- SWAC_(computer) comment "The SWAC (Standards Western Automatic Computer) was an early electronic digital computer built in 1950 by the U.S. National Bureau of Standards (NBS) in Los Angeles, California. It was designed by Harry Huskey.".
- SWAC_(computer) label "SWAC (computer)".
- SWAC_(computer) sameAs SWAC.
- SWAC_(computer) sameAs SWAC.
- SWAC_(computer) sameAs Standards_Western_Automatic_Computer.
- SWAC_(computer) sameAs m.069h_r.
- SWAC_(computer) sameAs SWAC.
- SWAC_(computer) sameAs Q1629241.
- SWAC_(computer) sameAs Q1629241.
- SWAC_(computer) wasDerivedFrom SWAC_(computer)?oldid=679274732.
- SWAC_(computer) depiction Museum_of_Science,_Boston,_MA_-_IMG_3160.JPG.
- SWAC_(computer) isPrimaryTopicOf SWAC_(computer).