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Data Communication and Network
What does the term Modem stand for?
The term Modem stands for MOdulator-DEModulator. A modem is a device that converts …
Data Communication and Network
Write short note on ASK, FSK and PSK modulation technique.
1. Amplitude Shift Keying (ASK): - Definition: ASK is a digital modulation techni…
Data Communication and Network
What is the purpose of a carrier signal in modulation?
The purpose of a carrier signal in modulation is to facilitate the efficient transmi…
Data Communication and Network
What is analog-to-analog modulation?
Analog-to-Analog Modulation is the process of modifying an analog signal (typically …
Data Communication and Network
What is digital-to-analog modulation?
Digital-to-Analog Modulation is the process of converting a digital signal (composed…
Data Communication and Network
What is modulation? Classify it.
Modulation is the process of varying one or more properties of a carrier signal (usu…
Data Communication and Network
What is the difference between bit rate and baud rate? Give an example where both are same. Give an example where they are different.
Difference Between Bit Rate and Baud Rate: - Bit Rate refers to the number of bits t…
Data Communication and Network
Define Bandwidth, Bit rate, Bit Interval, baud rate; Transmission Impairment-Attenuation, Distortion and Noise.
Here are the definitions of the terms related to data transmission and communication…
Data Communication and Network
Describe the three characteristics of a sine wave.
A sine wave is a smooth, periodic oscillation commonly used in mathematics, physics,…
Data Communication and Network
What is the different between omnidirectional and unidirectional antenna?
The differences between omnidirectional and unidirectional antennas primarily revolv…
