Cheap RAM Memory

What Is DDR Ram Memory?

Lets say you got up this morning and you just had thoughts of DDR RAM memory in your head. You would be perplexed, because most people wouldn't even know what that means. However, when you purchased your computer, it came with less memory than it could have.

In case you don't know what memory is, a computer loads a program from your hard disk and it takes that as separate zeros and ones into a thing called 'memory'. One of the problems with RAM memory, or Random Access Memory, is that when you shut off the computer, and then turn it back on again, the RAM is wiped clean and whatever was there before has gone. This RAM is also called DDR ram memory.

Computer storage, on the other hand, such as a Zip Drive, a hard disk, a USB stick, or such  can store memory, be shut down, and when it turns back on there it still is.

A hard drive works by way of a layer of fine rust which is implanted on a circular metallic disk that spins around. That fine rust can be magnetized and a head reads that magnetic level as zeros or ones, again. In this way, the electricity is converted into numbers, which are converted into action through a coded meaning for those numbers and it is sent off to the RAM, or DDR ram memory.

Unfortunately, RAM isn't all that big in a computer. So, when the RAM runs out, the computer software tries to pretend that the hard drive is RAM (it's called virtual memory). When that occurs, your system slows way down because RAM is much faster than a hard drive is.

Thus is the reason you need to purchase more RAM. The more RAM, or DDR ram memory you have in your computer, the less time your computer will have to take storing stuff and retrieving stuff off your hard drive, which is time consuming.

What kind of memory your computer takes is completely dependent upon the exact model mother board you have. A DDR is a little green circuit board which plugs into the motherboard into a black socket. When you purchase it, you go to Google and you type something like, "DDR ram memory Dell" and then put the model number of your computer.

You might find that your computer uses PC2100 DDR SDRAM. PC2100 is a common DDR SDRAM. It comes in various sizes, and the more SDRAM there is, the more it will cost. Which one you decide upon is largely up to you, but oftentimes your computer must have matched sets. It's best not to put one 512 MB in with a 1 GB card, and both be different manufacturers. They're now so cheap that you can just throw away the one that's in your computer and replace it with two new ones of a bigger quantity. 2 GB is getting to be a small amount, nowadays. Your manual will tell you what the largest amount (limit) of RAM your computer can take.

PC2100 DDR ram is also called SDRAM, The S just means 'Static', meaning it's not 'Dynamic' RAM. SDRAM DDR ram also can have different speeds, so make sure that the speed that your computer can take is what you purchase. Your computer will only take one kind of RAM, so research it well before you purchase. It might take what is called DDR2 RAM, so check. how to upgrade ram depends on your particular computer, but the thing that varies is more where it is on the motherboard. There are two flappable levers on either side of the RAM which you pull out in order to remove the DDR ram memory. You must make sure your computer is shut off, and then you pull out the old RAM and put in the new. Then you flip the two levers back, and you are done. Do that with the second RAM chip if you got one.

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