So you want to buy a new computer. The old one is too slow or you want a second one. These are questions to resolve. The ads can be pretty confusing.
Lets do a little analysis.
I'll list the important features that should be considered. Processor This is the guts of the computer and does the actual work of computing. The correct term is CPU for Central Processing Unit, but most people refer to the CPU as the case that hold the motherboard and all the parts. For most work, there is not much difference. If you are into high end graphics you will be concerned, but then again the serious computer users are not asking my advice.