Etching Switches on a Chip: teacher key

How Computers Work, grade 11 edition, written for 11th grade. Follow the integrated circuit, the microprocessor and the memory chip.

Read the book. Print this page for the key.

Questions and answers

Who built the first integrated circuit in 1958?
- Jack Kilby (answer)
- George Boole
- Claude Shannon
What did integrated circuits put on one chip?
- A keyboard
- Transistors, wires and other parts (answer)
- Only a screen
Was Moore's law a law of nature?
- Yes
- Only on Earth
- No, it was a prediction (answer)
What became the main type of memory by the early 1980s?
- Semiconductors (answer)
- Magnetic core memory
- Paper
Why did faster chips make magnetic core memory a bottleneck?
- Chips are made of germanium
- Memory too slow holds back a fast chip (answer)
- Cores are tiny