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Electrical Definitions

VSAT : Acronym for very small aperature terminals.These are very small diameter antennas with satallite receiver for private use of data transfer facility for individual user or shared by a group of people.

VENN Diagram: A diagram that represents ANDs and ORs by intersecting circles.

Vaccum Triode : It is a device which amplifies small electrical signals (audio signals)

Variable Speed Scanning : A method of scanning in cathode-ray television in which the speed of deflection of the scanning beam is governed by the optical density of the object.

Voice Mail : A computer switching system which records and transmit voice messages between various subscribers is called voice mail.

VSNL : (Videsh Sanchar Nigam Limited) The Govt. body that provide interface between national and international public switched networks,including INMARSAT.
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