1. Describe how signal and signal management calls are used in creating a process and terminating it after certain interval. Give a simple example to illustrate this routine.

2. There are four types of Inter-process Communication (IPC) methods. Describe each of them and provide an example of the usage in a communication session.

3. Consider a client server model. The server sends the message " I am server" to client. The client sends the message " I am client" to server. Write a program to exchange these messages by using internet domain connectionless-oriented mode.

4. In SEGI College, the computer department is going to conduct quiz program. They need the sample software to conduct the quiz program. The sample software contains two sample questions. First, display the first question. Give 50 seconds to answer the question. After 50 seconds, display the answer whether they answered or not.