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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.
Explain the different types of buses with neat diagram. When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines known as bu
my project is in .net of lan chatting its have tcp\ip connection problem
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Q. Define Hyperlinks? Hyperlinks, or links are one of the most significant characteristics of web pages. A link moves us from current page to a destination which is specified i
A critical section is a program segment? Ans. A critical section is a program segment where shared resources are accessed.
Minimisation using Boolean algebra is not always straight forward and sometimes it is not obvious if a further manipulation would give a simpler circuit. Karnaugh maps are a muc
Ask question #Minimum Write a program to mask bits D3D2D1D0 and to set bits D5D4 and to invert bits D7D6 of the AX register. 100 words accepted#
What is most common biometrics? Explain in brief. The most common biometrics is as given below: Face geometry (Photo): The computer captures the picture of your face and m
Explain technical reasons which made Microsoft withdraw its support for VBA in Mac? Ans) The reasons which made Microsoft drop its carry to VBA are as follows, Microsoft visual
Explain Flash devices It is possible to read the contents of a one cell, but it is only possible to write an whole block of cells Greater density which leads to superior cap
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