Defi ne Internet. What do you mean by WWW? Write a short note on the history of the Internet. Explain the layers of TCP/IP model using a diagram. Explain briefly the layers of the OSI model. What are...

Defi ne Internet. What do you mean by WWW? Write a short note on the history of the Internet. Explain the layers of TCP/IP model using a diagram. Explain briefly the layers of the OSI model. What are the various applications of the Internet? Explain the various classifications of e-business. Differentiate between the Internet and the WWW.