
Analog and Digital Signals
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an Analog Signal?
Back
An analog signal is a continuous signal that represents physical measurements. It can take any value within a given range.
Tags
NGSS.MS-PS4-3
2.
FLASHCARD QUESTION
Front
What is a Digital Signal?
Back
A digital signal is a discrete signal that represents data as a sequence of separate values. It can only take specific values, typically represented as binary (0s and 1s).
Tags
NGSS.MS-PS4-3
3.
FLASHCARD QUESTION
Front
Give an example of an Analog device.
Back
A cassette tape is an example of an analog device.
4.
FLASHCARD QUESTION
Front
Give an example of a Digital device.
Back
An MP3 player is an example of a digital device.
Tags
NGSS.MS-PS4-3
5.
FLASHCARD QUESTION
Front
What is the main advantage of Digital signals over Analog signals?
Back
Digital signals can travel long distances without losing quality, while analog signals can degrade over distance.
Tags
NGSS.MS-PS4-3
6.
FLASHCARD QUESTION
Front
What does it mean for a signal to have NOISE?
Back
Noise refers to any unwanted interference that distorts the original signal, making it harder to interpret.
Tags
NGSS.MS-PS4-3
7.
FLASHCARD QUESTION
Front
How do Analog signals represent information?
Back
Analog signals represent information through variations in amplitude, frequency, or phase.
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