computer upgrade

My current PC configuration is: Processor: Intel i5 760 @ 2.80GHz. RAM: 4GB DDR3 @ 1333MHz.(Forgot the manufacturer name.) Motherboard: Gigabyte P55 USB3. Graphics: AMD Radeon HD 5670. Cabinet: Cooler Master.(Again, forgot the model.) Power Supply: CoolerMaster eXtreme Power Plus 600W...

Hi these are my pc specs i want to know the maximum upgradation i can do to this pc without changing the motherboard and processor which ultimately leads to a change of very few components like graphic card,ram , hard drive etc. I know this pc is outdated but still its enough for my father( he...

1. What is the purpose of the computer? What all applications and games are you going to run? (Stupid answers like 'gaming' or 'office work' will not work. Be exact. Which games? Which applications? Avoid the word 'et cetera.') Ans: fps latest games with some civilization 5, cod latest, at low...