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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.
For this exercise you have to gather and report some linguistic data. Make sure your data are accurate by checking them with a native speaker if you yourself are not a native speak
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Write a short notes on transition from IPv4 to IPv6
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Sky wave Communication is prone to fading, it is true or false. Ans: It is true that sky wave Communication is prone to fading.
Q. Explain about Theta Notation? Theta Θ Notation : The set Θ (g(n)) comprises all functions f(n) for that there exist positive constants c1,c2 such that f(n) is squeezed in b
Explain Deadlock in operating system ? Deadlock: all process in a set of processes is waiting for an event which only a process in the set can cause.
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