Chapter 3 Review: Processes

Directions: Read each question carefully. Answer each question in your own words.

1. What are the four components of a process?

2. What is a Process Control Block (PCB)?

3. What is the role of the process scheduler?

4. What is the term that describes saving the state of one process, and restoring the state of

another?

5. What is a process identifier (PID)?

6. What system call creates a process on UNIX systems?

7. What system call creates a process on Windows systems?

8. What are the two system calls used with message-passing systems?

9. What system call is used to create a POSIX shared memory object?

10. What system call is used to configure the size of a POSIX shared memory object?

11. Provide at least two types of communication mechanisms in client-server systems.

12. TCP sockets are (a) connection-oriented or (b) connection-less?

13. UDP sockets are (a) connection-oriented or (b) connection-less?

14. What are the two types of pipes?