1. What is the definition of i. Computer Networks ii. Data communications

2. Describe the five layers of the TCP/IP protocol suite 3. What is the difference between a logical connection and a physical connection 4. What is the difference between a data and a signal 5. Draw in a chart form the voltage representation of the bit pattern 11010010 for the digital encoding schemes A. Non-Return- to-Zero scheme B. Manchester Digital Encoding scheme