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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.
Discuss the main tags of WML. Tag Definition of Wireless Markup Language: This defines the starting and the ending of the page, as . this explains
What is an imperative statement? Ans. Shows an action to be performed throughout execution of assembled program is an imperative statement.
A datapool is a source of variable test data that scripts can draw from during playback
Specify the default alignment for the following field types: 'D' - Left, 'F'-Right, 'N'-Left, 'I'-Right, 'T'-Left.
Q. What is Combinational circuits? Combinational circuits are interconnected circuits of gates according to definite rules to generate an output relying on its input value. A w
what are polygon rendering methods?
Rectifier output with fitters: When half-wave and full-wave rectification suffice to deliver a type of DC output, neither produces constant-voltage DC (direct current). To gen
Design a 4 : 1 multiplexer with strobe input using NAND gates. Ans. Design of 4 : 1 multiplexer with strobe input using NAND gates.
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BCD to gray converter using 2:1 multiplexer
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