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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.
Higher Order Predicate Logic : In the very first order predicate logic, we are only allowed to quantify over objects. If we are considered to allow ourselves to quantify over
Write a 2-3 page paper (excluding title, abstract, introduction, and references) describing the concepts of the Information Systems Delivery Cycle (SDLC) and how the Project Manage
Program: A good illustration of code conversion: Write a program to convert a; 4-digit BCD number into its binary equivalent. BCD number is stored as a; word in memory location kno
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Describe the term- Macros A macro is a key or name which signifies a series of commands or key strokes. Many applications allow single nominated key or single word on a keyboar
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