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CONNECTORS
An RCA jack (also called RCA jack or connector or CINCH CINCH1) is an electrical connector commonly used in audio / video. The name "RCA" derives
from Radio Corporation of America.Dans many applications, this connector is used as a substitute for traditional phone plug from the days of manual
telephone exchanges in the 1970s when the audio cassette to compact living room became popular. However, with the democratization of PCs, laptops and
other mobile multimedia devices, this connection tends to disappear in favor of HDMI for example.
THE JACK
In electronics, a jack is normally a plug (or receptacle: the female element of a set plug / socket). In some cases, "jack" is in turn one or the other
elements: form "male" or taking "female" in a paired set of connectors.
Wikipedia
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