should you buy more RAM? Well... if you've got 128 MB right now, it depends what OS you're running, computer specs, etc.
Answer these questions (if you know) :
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Processor speed and type:
Motherboard type (very helpful):
Operating System:
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that picture (tutorial) i made for you should tell you what a PCI port looks like... don't worry about the 64 BIT ports... your computer probably doesn't have those if it's old ... you'll see the 32 BIT PCI ports... the smaller white ones.
Yeah, your computer probably has the long (white or black, probably black) ISA ports... if you've got a really old computer (pre-1999) you may even have an ISA modem or sound card!
or even video card (eek)
your motherboard probably looks something like this is a classic 1998-2000 looking motherboard

lol


you'll spot the black ISA ports on the far left (2 of them) then the white 32 bit (old) PCI ports and then the AGP port (small brown) then the processor, RAM, etc.
any more problems, let me know