
Analog vs Digital Signals: Key Differences and Communication Advantages

Interactive Video
•
Physics, Computers, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of analog signals?
They are easily interpreted by computers.
They are immune to noise.
They vary continuously in amplitude and frequency.
They can only take two values.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do digital signals differ from analog signals?
Digital signals can take multiple values.
Digital signals are sent as a series of pulses.
Digital signals are more prone to interference.
Digital signals are continuous.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are digital signals preferred for long-distance communication?
They are more expensive to transmit.
They are less affected by noise and interference.
They require more bandwidth.
They degrade quickly over distance.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an analog voice signal in a phone before it is transmitted?
It is sent directly as an analog signal.
It is converted to a digital signal.
It is filtered for noise.
It is amplified.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major issue with transmitting analog signals over long distances?
They do not require amplification.
They can carry multiple signals simultaneously.
They pick up noise and interference.
They are easily converted back to the original signal.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does noise affect analog signals during transmission?
It amplifies the original signal.
It makes them clearer.
It distorts the signal, making it hard to interpret.
It has no effect.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one reason digital signals are higher quality than analog signals?
They can be easily amplified.
They are less affected by noise and interference.
They require more complex equipment.
They are more affected by noise.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an advantage of digital signals over analog signals?
They degrade quickly over distance.
They can carry multiple signals simultaneously.
They are difficult for computers to interpret.
They can only carry one signal at a time.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are digital signals easily interpreted by computers?
They are continuous.
They are binary, consisting of ones and zeros.
They require less processing power.
They are analog in nature.
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