IBM 473L Command and Control System: Difference between revisions

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;AN/FYA-2 Integrated Data Transfer Console: The AN/FYA-2{{r|Figure1-2}} ("473L Integrated Console"<ref>{{cite book|url=http://www.bitsavers.org/pdf/informatics/antaccs/ANTACCS_Final_Report_Phase_One_Volume_V_Technology_Part_1_Jan65.pdf |title=Final Report of the First Phase of the Advanced Naval Tactical Command and Control Study |volume=V - Technology |publisher=[[Informatics General|Informatics Inc.]]|pages=V{{hyp}}3{{hyp}}9-V{{hyp}}3{{hyp}}10|quote=Consoles tied to a core memory buffer which is connected to an IBM 1401 or 1410 at the Air Force Command Post (OTC of 473L). … Data Display Central 465L … LTV 7000 High Speed Display System}}</ref> with Logic Keyboard Display (LKB) provided the fully equipped 473L operator environment—cf. AN/FYA-3<ref name="document-center">{{cite web|url=http://www.document-center.com/standards/show/MIL-C-27114 |title=Document Center, Inc. &#124; Your Online Library of US and International Standards|publisher=document-center.com|access-date=2015-03-08}}</ref> didn't have a Hard Copy Device (HC) for the Multicolored Display (MC), nor a Console Printer (CP); while the AN/FYA-4 only had an Electronic Typewriter/Display (RT) and CP.{{r|Brown}} The console was run by a '''Monitor Program''' in the DPSS,{{r|TR66-261}} and "operational capabilities [were] exercised via operational capability overlays; that is, via plastic masks fitting over the logic keyboard portion of the operator console."{{r|AppendixA}} The original COC plan was for DPSS output for 11 MCs and 15 CPs (i.e., 4 of the simplest AN/FYA-4 consoles for printing reports).{{r|PRM}}

;Query Language (473L Query):<ref>{{cite newsgroup|url=https://www.cs.cmu.edu/afs/cs/project/ai-repository/ai/areas/doc/bib/langs.txt|first=Bill|last=Kinnersley|title=The Language List Version 1.8 - Part 1 of 9|newsgroup=comp.lang.misc|quote=473L Query - English-like query language for Air Force 473L system. (cites "Sammet 1969, p.665."}})</ref> Query Language was "very similar to the [[COLINGO]] query language{{r|TR65-171}} and was "a constrained English language…for man-machine communication in System 473L. …<!-- The system operator, using the Electronic Typewriter element of the Integrated Console, constructs a Query Language statement … -->to retrieve data from any file in the system or to perform certain other functions."{{r|TR66-261}} For example, the code for airfields both within Brazil and within a 2000-mile [[great-circle distance]] of [[Brazilia]] is:{{r|TR65-171}}

::''Retrieve airfields with country > Brazil, GCD (Brazilia » 2000)''