1. Which product died before DVD?
a. VHS Tape b. Betamax Tape c. Laserdisc
2. Which product will replace DVD?
a. VHS Tape b. Streaming c. Versatile Disc
3. What is Hyperloop?
a. visionary engineer b. commercial aircraft
c. form of transportation d. Alpha design
4. Which statement is incorrect?
a. Hyperloop will be solar powered in the future.
b. Travel speed is two times faster than aircraft.
c. Hyperloop may be the 5th form of transportation.