Question:

(a) Differentiate between circuit switching and packet switching.

(b) Using an example, explain the main parts that form a URL (Uniform Resource Locator).

(c) Client- Server architecture is more appropriate to adopt for a bank system.

(i) Describe the main features of client- server architecture. Explain your answer with a diagram.

(ii) Give TWO advantages and TWO disadvantages of the Client-Server architecture.

(d) Encryption is widely being used to enhance security. Briefly explain the term Encryption.

(d) Mr. Richelieu has recently adopted the use of different information system for his restaurant. The main types of information system are Transaction processing system (TPS) and Decision Support System (DSS).

Explain how the two types of information system will be beneficial to Mr. Richelieu.