Our computer teacher Mr. Case gave us a great link to a website that shows a picture of a computer and tells what every component does and surprisingly it was up to date.

So this is a short short summary of what i know until now :

3.5" drives - floppy and zip drives used for storage (outdated)
5.25" drives - Cd's , dvd's ,cd writers ,dvd writers .Optical storage.There might be more than 1.
Motherboard- in what you plug every component of the computer.
Computer case - it's a case taht protects the components and little kids that might put their fingers in hte pc.
Cpu- the brain of the computer. Little chip-like component thats made by Intel and Amd.
Hard Drive - you save stuff on it like documents and programs
Video cards - draws the pictures on screen These 2 can be onboard the
Sound cards- they create sound signals motherboard.
Modem -stands for modulator demodulator and it connects to the internet.