Physics: Electronic Communications
Test Quiz
1. What invention started the electronic communications age?
a. Telephone
b. Telegraph
c. Cell phone
d. Fiber optics
e. Transistor
2. Who invented the telephone?
a. Thomas Edison
b. Eli Whitney
c. Samuel Morse
d. Alexander Graham Bell
e. Isaac Newton
3. What are fiber optic cables made of?
a. Copper
b. Silicon
c. Silver
d. Gold
e. Glass
4. Who invented the telegraph?
a. Thomas Edison
b. Eli Whitney
c. Samuel Morse
d. Alexander Graham Bell
e. Isaac Newton
5. How is data transmitted over fiber optic cables?
a. Pulses of light
b. Electrical digital signals
c. Dots and dashes
d. Electrical analog signals
e. Radio Frequency Signals
6. How is data transmitted using cell phones?
a. Pulses of light
b. Electrical digital signals
c. Dots and dashes
d. Electrical analog signals
e. Radio Frequency Signals
7. True or False: The internet uses only radio frequency signals to send data.
a. TRUE
b. FALSE
c.
d.
e.
8. What company invented the first cell phone?
a. Apple
b. Samsung
c. Texas Instruments
d. Motorola
e. Google
9. What is an advantage of fiber optics over electrical wires?
a. Fiber optics uses less energy
b. Fiber optics is faster
c. Fiber optics can travel over longer distances
d. Fiber optics are resistant to weather
e. All of the above
10. True or False: Modern electronic communications has made little impact to our day-to-day lives.
a. TRUE
b. FALSE
c.
d.
e.
About this quiz: All the questions on this quiz are based on information that can be found on the Physics: Electronic Communications page at www.ducksters.com/science/electronic_communications.php.
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