156. Which of the following is an example of an output device that uses a LED screen?
a. Printer
b. Speaker
c. Monitor
d. LED screen
157. Which of the following is an example of an output device that uses a 3D printer?
a. Printer
b. Speaker
c. Monitor
d. 3D printer
158. Which of the following is an example of an output device that uses a virtual reality headset?
a. Printer
b. Speaker
c. Monitor
d. Virtual reality headset