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Course: High school physics - NGSS > Unit 7

Lesson 1: Information in waves
Science
High school physics - NGSS
Information technologies
Information in waves
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Understand: information in waves

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Problem

Jiang is working on a school project in which she has to develop a way to send and receive information. She has decided to focus on sending a digital signal that is composed of two values.
Which of the following are the best ways that she could transmit her digital signal?
Choose 2 answers: