- It is always useful to know more about electricity https://learn.sparkfun.com/tutorials/what-is-electricity
- Read this: https://www.explainthatstuff.com/electronics.html
- Read this: https://www.explainthatstuff.com/howtransistorswork.html
- How do transistors work?
- What converts a signal from analog to digital, and vice versa? How does it work?
- What is a logic level? How does that work in modern computers?
You will have to Google for most of these questions.
Write a brief bit about the importance of storage density.
- How did Punch Cards work?
- How did magnetic tape work?
- How do floppy discs work?
- How do CDs work?
- How does flash memory work?
- How do USBs work?
- How do SSDs work?