9th Computer Science Chapter4 Data Communication
2. Explain what an analog signal is.
3. Differentiate between a router and a switch.
4. Explain twisted pair cable.
5. Why is accuracy important in a communication system?
6. What is the role of the sender in a communication system?
7. What is bandwidth in the context of communication?
8. Define baud rate.
9. What are the characteristics of a communication channel?
10. What is data communication?
11. What is a Network Interface Card (NIC)?
12. Differentiate between guided and unguided media.