If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Understand: information in waves

NGSS.HS: HS‑PS4‑2, HS‑PS4‑5, HS‑PS4.A.2, HS‑PS4.A, HS‑PS4


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: