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https://openload.co/f/sR7ildbFGUA/Mon_film.mp4 https://ok.ru/video/312769972920
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Telephone
Telephone A traditional landline telephone system, also known as plain old telephone service (POTS), commonly carries both control and audio signals on the same twisted pair ( C in diagram) of insulated wires, the telephone line. The control and signaling equipment consists of three components, the ringer, the hookswitch, and a dial. The ringer, or beeper, light or other device (A7), alerts the user to incoming calls. The hookswitch signals to the central office that the user has picked up the handset to either answer a call or initiate a call. A dial, if present, is used by the subscriber to transmit a telephone number to the central office when initiating a call. Until the 1960s dials used almost exclusively the rotary technology, which was replaced by dual-tone multi-frequency signaling (DTMF) with pushbutton telephones (A4). A major expense of wire-line telephone service is the outside wire plant. Telephones transmit both the incoming and outgoing speech s
Twitter Code 3
Twitter Twitter (/ˈtwɪtər/) is an online news and social networking service where users post and interact with messages, called "tweets." These messages were originally restricted to 140 characters, but on November 7, 2017, the limit was doubled to 280 characters for all languages except Japanese, Korean and Chinese.[11] Registered users can post tweets, but those who are unregistered can only read them. Users access Twitter through its website interface, Short Message Service (SMS) or mobile device application software ("app").[12] Twitter, Inc. is based in San Francisco, California, United States, and has more than 25 offices around the world.[13] Twitter was created in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams and launched in July of that year. The service rapidly gained worldwide popularity. In 2012, more than 100 million users posted 340 million tweets a day,[14] and the service handled an average of 1.6 billion search
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