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Questions and Answers
Which of the following is an example of a simple signal?
Which of the following is an example of a simple signal?
What is the purpose of Morse code?
What is the purpose of Morse code?
How did the first telephone work?
How did the first telephone work?
What is the purpose of a telegraph?
What is the purpose of a telegraph?
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What is the role of a microphone in a telephone?
What is the role of a microphone in a telephone?
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Which of the following is an example of a complex signal?
Which of the following is an example of a complex signal?
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What type of information do electronic signals send?
What type of information do electronic signals send?
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When was Morse code used to send messages across the entire country?
When was Morse code used to send messages across the entire country?
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What are short pulses called in Morse code?
What are short pulses called in Morse code?
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What happens when someone pushes the button of a doorbell?
What happens when someone pushes the button of a doorbell?
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