Processor
CPU stands for central processing unit and it is the part of the PC that performs a large large amount of instructions of a computer program by performing basic arithmetic, logical, control and input/ output operations specified by the instructions.
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Intel's i5 and i7 processor scan take advantage of high end graphics cards, but this depends on how high or low the budget is. an average or better AMD processor and a is similarly priced to a core intel core i3 or i5, which can be as high as 30 or 40 fps, but this also depends on if the user has a high quality graphics card.
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Intel also makes processors that are dedicated to servers and other devices, for example mobile phones. CPU's are classified into a number of product families, like Xeon, atom and also core, but the company is mostly know for making processors for the traditional desktop and notebook.
The cache is a space in a computers main storage area, e.g. a hard drive or a solid state drive. and ram memory where the computers software saves multiples copies of websites and other data that has been previously vied by users, so overall the browser uses the cache like a short term memory option.