
analog and digital waves
Flashcard
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an analog wave?
Back
An analog wave is a continuous signal that varies over time, representing physical quantities. Examples include sound waves and light waves.
2.
FLASHCARD QUESTION
Front
What is a digital wave?
Back
A digital wave is a discrete signal that represents data in binary form (0s and 1s). It is used in digital devices like computers and smartphones.
3.
FLASHCARD QUESTION
Front
What is noise in the context of signals?
Back
Noise refers to unwanted disturbances or variations in a signal that can affect its clarity and quality.
4.
FLASHCARD QUESTION
Front
Which type of signal is more susceptible to noise?
Back
Analog signals are more susceptible to noise and distortion compared to digital signals.
5.
FLASHCARD QUESTION
Front
Why are digital signals preferred for communication?
Back
Digital signals can be easily corrected for noise and distortion, making them more reliable for communication.
6.
FLASHCARD QUESTION
Front
What does 'sampling' mean in digital recording?
Back
Sampling is the process of measuring the amplitude of an analog signal at regular intervals to convert it into a digital signal.
7.
FLASHCARD QUESTION
Front
What is high sampling precision?
Back
High sampling precision means capturing more data points in a given time, resulting in a more accurate representation of the original signal.
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