What is a signal in the context of this lesson?

Digital and Analog Signals Overview

Interactive Video
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Physics
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9th - 10th Grade
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Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A device that transmits data
A physical quantity containing information
A type of electronic device
A method of data storage
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of analog signals?
They have a finite number of values
They are immune to noise
They are discrete-time signals
They have continuous values
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one disadvantage of analog signals?
They require lots of bits and circuits
They record unwanted noise
They are easy to process
They have high immunity to noise
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an advantage of digital signals?
They record unwanted noise
They have high immunity to noise
They are difficult to process
They have infinite values
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a disadvantage of digital signals?
They have continuous values
They have low immunity to noise
They require lots of bits and circuits
They are difficult to transmit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are analog signals typically represented?
As triangular waves
As sine waves
As square waves
As random waves
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a digital signal?
Human voice in air
Analog electric devices
Radio waves
Computer data
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