1. What is a bus? What is it used for? Give an example.

2. What kinds of wires and signals make up a bus? What different size signals and wires can a bus have?

3. In a read or write protocol what is a strobe signal? What purpose does it serve? Provide an example

4. Is a hardware read or write protocol at a low or high level of protocol abstraction?

5. What is meant by 'active low assert signal value'. What is meant by 'inactive low deassert signal value'

6. When is data available during a read protocol versus a write protocol? Answer in terms of the setup, read, and write timing windows.