If you use your computer for little more than surf the Web and e-mail, 2 GB of RAM will be sufficient, il is operating system and Windows XP or Windows 7. More RAM will allow you to run multiple programs simultaneously, and generally improve the speed and performance of your machine. New computers today are typically equipped with at least 4 GB RAM, although some small PC and economic systems may be restricted to 3 GB of 2 GB.
If you tend to multitask or play, will take at least 4 GB RAM. If you play with high graphics processing licenses or do serious video editing or image, you might want more RAM. Some systems include high-performance 8 GB or 16 GB.
When choosing RAM, I'll see two types: DDR2 e DDR3. Of the two, DDR3 is faster and more expensive. Another parameter you will notice the clock speed, as processors, measured in MHz. here, higher numbers are better. That said, quantify the differences is not easy; and if you do not have too many resources, 4 GB of DDR2 RAM will not make too much regret the more expensive DDR3. In general, you should prefer the memory. If you have to choose between more RAM to lower clock speeds and less RAM but with a higher clock speed, you will notice better results with more RAM.
If you want to buy more 4 GB di RAM, make sure that the Microsoft operating system is 64-bit (currently Windows 7). A 32-bit operating system can recognize only a little over 3 GB di RAM, no matter how much they really have the computer. If you buy a new computer, probably will be supplied with a 64-bit operating system, more and more retailers include at least 4 GB di RAM. Systems cheaper and more likely GB RAMan find an operating system 32-bit, but even there we see a shift towards I64-bit, so that, if you decide to upgrade the memory, later, the operating system will be able to manage.
If you plan to upgrade your PC yourself, make sure your motherboard can support more RAM modules. Check your computer's specifications to see how many DIMM connectors are still available, this information can be found on the page specifications of the system.
(source: pcworld.com)
Tags: Add Memory, ddr2, DDR3, DIMM, RAM, Minimum amount of RAM, Choosing the memory
