18522 | Science: Gadgets | Multiple Choice | Easy | What type of display technology does a Kindle use? |
18521 | General Knowledge | Multiple Choice | Easy | What is the purpose of a power bank? |
18518 | Science: Gadgets | Multiple Choice | Medium | What technology is used for wireless communication between devices in close proximity? |
18517 | Science: Gadgets | Multiple Choice | Easy | What is the primary function of a drone? |