I need help on computers?

i need to know some sights with some history on ibm and imac computers, preferrably from 1984-2007. Thanks!

I need help on computers?computer virus

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

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

I need help on computers?free spyware remover

Do a Google search and you will find lots of sites.
Try www.wikipedia.com or Google but, if this is for a paper for school, don't use wikipedia because it is not counted as a credible source.