Title: Chapter 2 Quiz
Course: Computer Science for Kids: A Storytelling Approach > Section: The Missing Fireflies

Q: A servo is used to
- Open and close a door or latch
- Turn a switch on or off
- Control current
A: Open and close a door or latch

Q: The Boolean data type can have one of two values:
- true or false
- this or that
- if or and
A: true or false

Q: HCI focuses on
- Interfaces between humans and computers
- Help desks
- Various types of sensors
A: Interfaces between humans and computers