If I could empty my brain here ... you would've sufficient knowledge on most fields. But on the other hand ... how would I get my brain back again ?
I'll look around a bit for some information sources for you.
Edit : You can use this as a starting place :
http://sv.wikipedia.org/wiki/Personal_ComputerYou are from Sweden, aren't you ?
I think you should use the English Wikipedia as well.
Remember to double ckeck information. Use two sources at least, which minimizes a bit the possibility to fall prey of false information.