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Today''s software has become more rapacious than ever—not ibm hard drives just wanting faster processors, but faster graphics and more ram. layer these software programs on top of itself a memory-hungry operating system, and it becomes clear that more memory is better—up to a point. the good news is that memory is cheaper than ever, though the laptop hard drives precipitous plummet in prices seems to have leveled off a bit lately. but the memory landscape is much more confusing than even a couple of years ago. the acronyms have evolved into a veritable alphabet soup of memory types: edo, bedo, sdram, fp, rambus. each new motherboard chipset that finds its way into your computer drives seems to want a different type of memory. well, we''re here to help you sort through the memory types and walk you through the process of installation. this is a tough question. however, there are a couple of rules of thumb. first, know thy motherboard. you must be aware of what chipset you have in your system. it turns out that adding too much memory can actually slow down your computer. ibm the reason for this is the l2 cache. cache level 1 and level 2
memory basics one of the best ways to increase the performance of your computer system is by adding more memory. with additional hard memory, you can have more programs running at the same time, and work on larger business files like spreadsheets and databases. easily installed, ram chips can speed up graphics applications, multimedia and, especially, games. how it works before information can be processed by a computer, it must first be transferred to a special data storage area called ram (random access memory). ram is connected directly to the processor by high speed data pathways. as long as your data is in ram, the computer''s processor has almost instantaneous access to it. when the processor needs information that is not currently in ram, it must be loaded from the hard drive and placed in ram, a much slower process. so the more ram you have, the higher your system''s overall performance.
you can think of ram as an incredibly fast hard drive that stores information temporarily drives instead of permanently. when you start a program it is loaded from the hard drive into ram. when a program is running in ram it can run hundreds to thousands of times faster than it can if run directly from the hard drive. the problem is that the capacity of a standard hard drive is many times the size of a computer''s ram size, meaning it is possible to load so many programs that the ram can no longer hold them. ibm when that happens, your computer''s virtual memory kicks in, and that''s bad. virtual hard memory is simply your hard drive trying to act like a ram chip. since the hard drive is so much slower than real memory, programs stutter and sometimes crash when the hard drive has to do a job it was never designed for. there are only two solutions to this problem: close some programs until virtual memory is no longer needed, or add more physical memory. if you can afford it (and current memory prices are low enough that practically drives anyone should be able to), the latter solution is always preferable.
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