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81Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …
82Air Europe — was a wholly privately owned, independent British airline, established in 1978 under the working title Inter European Airways.cite book| author=Simons, Graham M. | title=It was nice to fly with friends! The story of Air Europe | publisher=GMS… …
83Morse code — Chart of the Morse code letters and numerals Morse code is a method of transmitting textual information as a series of on off tones, lights, or clicks that can …
84Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …
85Microsoft Visual C++ Name Mangling — is a mangling (decoration) scheme used in Microsoft Visual C++ series of compilers. It provides a way of encoding name and additional information about a function, structure, class or another datatype in order to pass more semantic information… …
86Northrop P-61 Black Widow — P 61 Black Widow A P 61A 1NO of 419th Night Fighter Squadron Role Night fighter …
87stage design — Aesthetic composition of a dramatic production as created by lighting, scenery, costumes, and sound. While elements such as painted screens and wheeled platforms were used in the Greek theatre of the 4th century BC, most innovations in stage… …
88Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
89Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material …
90Hilbert space — For the Hilbert space filling curve, see Hilbert curve. Hilbert spaces can be used to study the harmonics of vibrating strings. The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space. It… …
