
Analogue & Digital Signals
Authored by Neil Fraser
Physics
11th Grade
NGSS covered
Used 5+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two different ways of sending information?
Analog and digital signals
Morse code and smoke signals
Email and postal mail
Radio and television
Tags
NGSS.HS-PS4-2
NGSS.HS-PS4-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a digital signal differ from an analog signal?
It varies continuously in amplitude and frequency
It can take many different values
It can only take two values: 1 or 0
It is sent via copper wires
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is digital a better way of sending information over long distances?
It uses copper wires
It is faster than analog signals
It requires less energy
It is unaffected by noise or interference
Tags
NGSS.HS-PS4-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an analog signal as it travels?
It picks up noise and its amplitude is reduced
It remains unchanged
It becomes faster
It converts into a digital signal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major benefit of digital signals over analog signals?
They are easier to store
They can carry much more information
They are cheaper to produce
They use less bandwidth
Tags
NGSS.HS-PS4-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component is essential for converting an analog signal to a digital signal?
Analog-to-Digital Converter (ADC)
Digital-to-Analog Converter (DAC)
Amplifier
Filter
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do digital signals require error checking and correction mechanisms?
To ensure the signal travels faster
To convert them back to analog signals
To maintain signal strength over long distances
To prevent data corruption due to noise and interference
Tags
NGSS.HS-PS4-2
NGSS.HS-PS4-5
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