universal line selector
31postal system — System that allows persons to send letters, parcels, or packages to addressees in the same country or abroad. Postal systems are usually government run and paid for by a combination of user charges and government subsidies. There are early… …
32Semi-automatic transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
33Synchronous optical networking — (SONET) and Synchronous Digital Hierarchy (SDH), are two closely related multiplexing protocols for transferring multiple digital bit streams using lasers or light emitting diodes (LEDs) over the same optical fiber. The method was developed to… …
34Augmentative and alternative communication — An AAC user indicates a series of numbers on an eye gaze communication board in order to convey a word. Augmentative an …
35History of virtual learning environments — A virtual learning environment (VLE) is a system that creates an environment designed to facilitate teachers in the management of educational courses for their students, especially a system using computer hardware and software, which involves… …
36Hudson Motor Car Company — The Hudson Motor Car Company made Hudson and other brand automobiles in Detroit, Michigan, from 1909 to 1954. In 1954, Hudson merged with Nash Kelvinator Corporation to form American Motors. The Hudson name was continued through the 1957 model… …
37Firefox — For other uses, see Firefox (disambiguation). Phoenix (web browser) redirects here. For the Phoenix browser based on tkWWW, see tkWWW. Firefox …
38OS/2 — A typical OS/2 Warp 4 desktop Company / developer IBM Microsoft …
39RCTV — Saltar a navegación, búsqueda Radio Caracas Televisión C.A (RCTV) Nombre público RCTV Eslogan R.C.T.V Tipo Aire (pronto por TDT) Programación …
40Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… …
