1. What invention started the electronic communications age?

2. Who invented the telephone?

3. What are fiber optic cables made of?

4. Who invented the telegraph?

5. How is data transmitted over fiber optic cables?

6. How is data transmitted using cell phones?

7. True or False: The internet uses only radio frequency signals to send data.

8. What company invented the first cell phone?

9. What is an advantage of fiber optics over electrical wires?

10. True or False: Modern electronic communications has made little impact to our day-to-day lives.