Computer Networks MCQs - Chapter 7

Data and Signals Multiple Choice Questions (MCQs) PDF Download - 5

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Data & Signals Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: Digital signals are represented in

sine waves
levels
stages
cosine waves

MCQ 22: The amount of time signal need to complete one cycle in seconds is known as

sine wave
digital signals
frequency
period

MCQ 23: The term that refers to the loss of strength of a signal is called

attenuation
distortion
noise
impairments

MCQ 24: The value of the decibel is positive if the signal is

attenuated
distorted
noisy
amplified

MCQ 25: The period of a signal is 100 ms. What is its frequency in kilohertz?

100 Hz
1 kHz
10 Hz
0.02 Hz

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