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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 meant by opening a data file A data file is a file that can be read from or written to. Data files are particularly useful when large amounts of data are involved. Each
Evaluate x = A ‾.B + C ( ) using the convention A = True and B = False. Ans. Simplify given expression x = A ‾ .B + C ( ) as = A ‾ B + C (A ‾ + D ‾ ) (As = A ‾ +D ‾ usin
A generic algorithm is mostly analysed on basis of subsequent parameters: the space complexity (amount of space required) and the time complexity (execution time). Generally we giv
a luminous jewel game c programming start with t and end with t the output will yes or no
What are packages? Package is a group of elements (classes, generalizations, associations and lesser packages) with a common theme. Package partitions a model making it simpler
Explain R-2R ladder D/A converter. Ans. R-2R ladder D/A converter: An R-2R ladder D/A converter is shown in Fig.(a). It uses resistors of only two values R and 2R. The inp
Explain briefly any three of the commonly used code optimization techniques. 1. Common sub expression elimination: In given expression as "(a+b)-(a+b)/4", in such "common
Pass I of the assembler must also generate the intermediate code for the processed statements. Justify your answer. Criteria for selection of a suitable intermediate code form
Q. Explain the typical organization of a computer? There are two principal components: hardware and software. The former refers to physical components such as memory unit (MU),
what is memory paging
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