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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.
What are value types and reference types? Value type - bool, byte, chat, decimal, double, enum, float, int, long, sbyte, short, strut, uint, ulong, ushort. Value types are sto
Timing for both read and update transactions should be gathered to verify whether system functions are being performed in an acceptable timeframe. This should be done standalone an
Gordon Grant, majority shareholder and Chief Executive Officer of Finance-IT Ltd, is determined to be one of the entrepreneurs making money out of the recession. He started the fir
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Draw the logic diagram of a full subtractor using half subtractors and explain its working with the help of a truth table Ans: Full Subtractor: It has to take care of repe
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What is micro operation? A micro operation is an elementary operation performed with the data kept in registers. 1) Register transfer microoperation transfer binary inform
flow chart for ''sin x'' as sum of serie
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