4. Explain how a Parity Check works. Whats the difference between Even Parity and Odd Parity? How does Parity Checking detect errors?

5. Explain how a Cyclic Redundancy Check works. What is a codeword and how is it generated? How does CRC detect errors?

6. What are the four generic requirements for Error Checking? Give a brief description of each.

7. Name and describe two mechanisms to control flow.