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A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board. The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15. The number is sometimes followed by a letter, indicating that components are grouped or matched with ...
Coder/decoder. CofA. Certificate of airworthiness. COMM or COM. Communications transceiver, Communications receiver, or Communications radio transmitter. Now, normally: either VHF or UHF; HF communications avionics are usually abbreviated simply HF. CORSIA. Carbon Offsetting and Reduction Scheme for International Aviation. COTS.
A semi-schematic diagram combines some of the abstraction of a purely schematic diagram with other elements displayed as realistically as possible, for various reasons. It is a compromise between a purely abstract diagram (e.g. the schematic of the Washington Metro) and an exclusively realistic representation (e.g. the corresponding aerial view of Washington).
Ford EEC. The Ford EEC or Electronic Engine Control is a series of ECU (or Engine Control Unit) that was designed and built by Ford Motor Company. The first system, EEC I, used processors and components developed by Toshiba in 1973. It began production in 1974, and went into mass production in 1975. It subsequently went through several model ...
Fortran was originally developed by IBM. [3] It first compiled correctly in 1958. [4] Fortran computer programs have been written to support scientific and engineering applications, such as numerical weather prediction, finite element analysis, computational fluid dynamics, geophysics, computational physics, crystallography and computational ...
In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens. Alternatively, sirens may be used if necessary ...
Computer pioneer Betty Holberton dies at 84 Archived December 2, 2008, at the Wayback Machine, Government Computer News, January 5, 2002; Two oral history interviews with Frances E. Holberton. Charles Babbage Institute, University of Minnesota, Minneapolis. UNIVAC Conference (May 17–18, 1990) as well as interview by James Baker Ross (April 14 ...
List of aircraft type designators. An aircraft type designator is a two-, three- or four-character alphanumeric code designating every aircraft type (and some sub-types) that may appear in flight planning. These codes are defined by both the International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA).