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?

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

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

<p>To increase transmission efficiency</p> Signup and view all the answers

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

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

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

<p>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.</p> Signup and view all the answers

What is the primary difference between periodic and aperiodic signals?

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

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

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

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

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

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