My computer:
Battery- 4 12 volt batteries glued together with a gluestick.
Ram- I have a 2 GB ram stick ducktaped to the side.
Graphics- I'm running on my cpu.
Intel- I'm running a intel core i3 for maximum performance.
Screen- I stole a tv from my grandparents.
Setup- I'm located out the back of a McDonalds to get power and internet.