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Q. Explain Frequency-division multiplexing?
Frequency-division multiplexing (FDM) is a technique for data transmission widely used in telephone, radio, and cable TV systems in which the transmission frequency spectrum (i.e., bandwidth) is divided into smaller bands known as subchannels.
Data transmission between two stations can be achieved in either simplex, half-duplex, or full-duplex mode. In a simplexmode,mainly used in radio and TV broadcasts, information travels only in one direction. Thismode is rarely used in data communications. In half-duplexmode, used by radio communications, information may travel in both directions, but only in one direction at a time. The transmitter becomes the receiver and vice versa. In a full-duplex mode, information may travel in both directions simultaneously. This mode, used in telephone systems, adopts two different carrier frequencies.
L e arning Decision Trees Using ID3 Sp eci f y i n g the Problem We now have to look at how you mentally created your decision tree when deciding what to do at
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Elements of Parallel Computing and Architecture Parallel computing. Then we shall describe why we need parallel computing and what the heights of parallel processing are. We s
In which page replacement policies Balady’s anomaly occurs? FIFO that is First in First Out.
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