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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.
Which technique is an encryption technique? Ans. Block cipher technique and also Steam cipher technique is an encryption technique.
Elucidate the purpose of GDTR. If the microprocessor sends linear address 00200000H to paging mechanism, which paging directory entry and which page table entry is accessed? GD
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What is the maximum and minimum number in the range of a 7-digit number for each of the following cases? Express all numerical answers in both the original base and its decimal (ba
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Background and foreground colors can be interchanged using the command?? Format Inverse command.
Question 1 Explain briefly the process of matching production rules against working memory 2 Explain Simplification, Conjunction and Transportation in propositional logic by
UDP (User Diagram Protocol) is? It is both Connectionless and Message Oriented.
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