1. Differentiate between data & information. What are the different forms in which data can be represented? 2. What are the characteristics of data communication? 3. What are the components of a data communication system? 4. Define computer network and categorize. 5. Explain protocols in details 6. Explain the characteristics of an Analog signal 7. Explain the characteristics of a Digital signal 8. Explain the difference between a. Lowpass and Bandpass channel b. Narrowband and wideband channel
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