Questions:

1. What is the difference between a program and a process?   [Answer]
   
   
2. What is the purpose of the process table?   [Answer]
   
   
3. Explain the three states of a process.   [Answer]
   
   
4. What is a time quantum?   [Answer]
   
   
5. Which scheduling strategies are preemptive and which are not?   [Answer]