http://www.osdata.com/system/physical/basics.htm

http://www.quia.com/jg/65620.html

http://www.bedford.lib.nh.us/Basics.htm

http://academic.brooklyn.cuny.edu/education/jlemke/cpu-basic.htm

http://www.uow.edu.au/~hasan/buss110/progrm1/ass1.htm

 

Absolute Beginners' Guide to a computer

http://www.tutorialfind.com/tutorials/computerbasics/

http://www.discoveryvip.com/Products/computerbasics.htm

http://www.in-home-learning.com/