Upgrade Computer Specs

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I have a Toshiba Satellite a105 laptop computer. My requirements for games are minimum in which it's horrible. Can I upgrade these?
Toshiba Satellite a105
CPU - 2 processors running - Intel(R) Core(TM)2 CPU T5500 @ 1.66GHz
CPU Speed - 1.66 GHz Performance Rated at 3.24 GHz
System RAM - 2.0 GB
Operating System - Microsoft Windows XP Professional (Build Service Pack 22600)
Video Card - Mobile Intel(R) 945GM Express Chipset Family (Intel(R) Calistoga Graphics Controller)
DirectX Version - 9.0c
Sound Card - Realtek HD Audio Output

 

[_-..zKiLLA..-_]

well laptops are the hardest thing to upgrade besides RAM. u would be better off saving up for a desktop. and u need to shorten ur signature to 5 lines