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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.
SET SCREEN With SET SCREEN the present screen simply specifies the next screen in the chain , control branches to this next screen as soon as the current screen has been proce
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Explain the features and utilities available in java, which makes it suitable for developing e-commerce applications. 1. In a network, the transmission of passive informati
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design modulo 12 up synchronous counter using t flip flop
If you need to line up the cells next to each other you can resize and move layout cells as you need. You can change size of a layout cell by using one of its resize handles. Yo
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