this switch is the only one of its type

  • 121Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …

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  • 122Crossbar switch — In electronics, a crossbar switch (also known as cross point switch, crosspoint switch, or matrix switch) is a switch connecting multiple inputs to multiple outputs in a matrix manner. Originally the term was used literally, for a matrix switch… …

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  • 123Nonblocking minimal spanning switch — A substitute for a 16x16 crossbar switch made from 12 4x4 crossbar switches. A nonblocking minimal spanning switch is a device that can connect N inputs to N outputs in any combination. The most familiar use of switches of this type is in a… …

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  • 124Digital terrestrial television in the United Kingdom — encompasses over 100 television, radio and interactive services broadcast via the UK s terrestrial television network and receivable with a standard television aerial. The majority of services, including those from the existing five analogue… …

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  • 125Battle of the Atlantic (1939–1945) — Infobox Military Conflict conflict = Battle of the Atlantic partof = World War II caption = Officers on the bridge of an escorting British destroyer keep a sharp look out for enemy submarines, October 1941 date = September 3 1939 May 7 1945 place …

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  • 126Network switch — A network switch or switching hub is a computer networking device that connects network segments. The term commonly refers to a multi port network bridge that processes and routes data at the data link layer (layer 2) of the OSI model. Switches… …

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  • 127Howa Type 89 — Infobox Weapon name= Howa Type 89 caption= Type 89 assault rifle origin=flagcountry|Japan type= Assault rifle is ranged=yes is bladed= is explosive= is artillery= is vehicle= service= 1989 present used by=Japanese Self Defense Forces, Japanese… …

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  • 128List of Monster-of-the-Week characters in The X-Files — On the 1993–2002 television series, The X Files, there developed two main types of episodes.[citation needed] Mytharc episodes were recognized as the mythology of the series canon, comprising the central storyline concerning extraterrestrial life …

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