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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 is referred as memory mapped I/O. The case in computers that employ only set of read and write signals and do not differentiate between memory and I/O address. This is kno
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Acting Rationally: "Al" Capone was finally convicted for tax evasion. Were the police reacting on rationally?? To solve this puzzle, we must first look at how the performance
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Explain briefly Loop-invariant code motion of the commonly used code optimization techniques. Loop-invariant code motion If a quantity is calculated inside a loop duri
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Q. Write a program to implement NOR, NAND, XOR and XNOR gates using and without using bit wise operator. Also perform necessary checking. The user has option to give n numbe
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