Data Communication and Computer Networks IPv4 Addressing - IT Assignment Help

Assignment Task

All the questions are mandatory
1. Explain all the characteristics of line codes. 
2. What is modulation? What are the needs for modulation? 
3. Explain IPv4 addressing. For the IP address 10.15.20.60, find the network address, class, direct broadcast address and destination address if this host wants to send packets to all the hosts in the same network. 
4. There are 6 × 10 small picture elements in a video each having 8 distinguishable 4 equiprobable levels of illumination. The rate of transmission of picture frames is 20 /s. If the BW of the video signal required is 0.3 MHz, find out the S/N ratio for satisfactory reproduction of the picture.

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