What are the most important features to consider before purchasing a pc?

There are several features that should be considered before buying personal computer(PC).Some of the main factors are:-

Capacity of hard-drive is important to determine the storage space of the system so that it can hold data like files, videos , images etc as per the requirement.RAM(Random access memory) and processor of the personal computer is important for the fast processing and execution of the tasks and functionsSize of the personal computer should also be considered as main feature because compact size make it portable otherwise large sized PC are bulky.Brand is also a important feature because some PC and some other gadgets have already established popularity and reliability.Price point is also a must because there are all types of computer available in the market from low to high cost.But the PC should be according to the budget of individual .