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Transmission Fundamentals Quiz

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Questions and Answers

What is the primary function of a transmitter in a communication system?

Converts data into transmittable signals

What is the difference between guided and unguided media in data transmission?

Guided medium: uses physical cables (e.g., twisted pair, coaxial cable, optical fiber); Unguided medium: uses wireless transmission (e.g., radio waves)

What is the role of the transmission system in a communication model?

Generates data to be transmitted and converts received signal into data

What is the primary difference between analog and digital data?

Analog data: continuous signals (e.g., voice, images); Digital data: discrete signals (e.g., text, digitized voice or images) Signup and view all the answers

What is the purpose of multiplexing and compression in data transmission?

To increase transmission efficiency Signup and view all the answers

What is the main difference between analog and digital signals in terms of their signal variation over time?

Analog signals vary smoothly over time, whereas digital signals maintain a constant level and then change to another level. Signup and view all the answers

What is the Electromagnetic Spectrum, and what does it encompass?

The Electromagnetic Spectrum is the entire range of frequencies and wavelengths of electromagnetic radiation, encompassing all types of light from gamma rays to radio waves. Signup and view all the answers

What is the primary difference between periodic and aperiodic signals?

Periodic signals repeat their pattern over time, whereas aperiodic signals do not repeat their pattern over time. Signup and view all the answers

What is the primary advantage of digital signaling over analog signaling?

Digital signals are less susceptible to noise interference and are generally cheaper than analog signaling. Signup and view all the answers

What is the primary medium used for digital signaling, and what is its limitation?

The primary medium used for digital signaling is copper wire, and its limitation is that it suffers from attenuation. Signup and view all the answers