Reference

Book References:

1.	Linda Null, Julia Lobur, Computer Organization and Architecture, Jones and Bartlett Publishers, Inc., 2003.

ISBN 0-7637-0444-X

2.	Peter Norton, Introduction to Computers, The Tata McGraw-Hill Publishing Company Limited, 2008.

ISBN 13: 978-0-07-059374-9, ISBN 10: 0-07-059374-4

3.	Silberschatz, Galvin, Gagne, Operating System Concepts, John Wley & Sons, Inc., 2002.

ISBN 0-471-41743-2

4.	William Stallings, Operating Systems, Prentice Hall, (4th Edition, 2000)

Online References:
http://en.wikipedia.org/wiki/Concurrency_(computer_science)

http://en.wikipedia.org/wiki/Virtual_memory

http://en.wikipedia.org/wiki/Spooling

http://www.technologyuk.net/computing/operating_systems/process_management.shtml