HELP PLEASE!

Collier2010

Distinguished
Mar 12, 2010
91
0
18,630
Hi i have a ntel (R) Core (TM) 2 Quad CPU Q6600 @ 2.4GHz i currently had 2GB of memory (RAM) i have just installed a further 2 GB my windows rating has went up to 5.5 to 7.1 to it is comin up in brackets by my memory INSTALLED MEMORY: 4GB AND IN BRACKETS (3.25GB USABLE) WHY IS THIS? THANKS
 

sorry to be a noob but is your video card your graphics card?