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Evolution and Synopsis Communication Systems Switching
Rules of Logic
Logical Switching Components
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application assigned automatic bandwidth basic Bell System binary block buffer channel character characteristics circuit switching clock combination common control configuration connective element connector core cross-office crossbar crossbar switch crosspoint cycle delay developed diagram dial digits diode distribution electromechanical electronic equipment error flip-flop forward switch frequency gate header Highgate Wood in-out incoming line indicated input interconnection Karnaugh map length line unit logical loop machine magnetic drum magnetic tape marker matrix memory microseconds multiplex operation outgoing line output line parametron path pattern priority processing function pulse queue readout received reed relay sampling sequence sequential serial number shown in Figure signal single slot speed start-stop storage store and forward subscriber switching center switching nodes switching system synchronous technique telegraph telephone teleprinter terminal tion traffic transfer transistor transmission transmitted trunk truth table tunnel diode variables voltage wiper wire