ANSWERS: 2
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RAM = Random Access Memory. That means software can access it when it needs a place to put a variable. Since your software needs to do a lot of calculations and store a lot of variables..your Hard Disk Drive is not fast enough to please your needs - it transfers a few megabytes per second (5-50MB/sec) and your RAM memory transfers a few gigabytes per second..thats a thousand times faster than the hard drive. This explains why your computer slows down when you run out of ram and windows starts using virtual memory (on your hard drive). The faster the frequency of the RAM the faster the software runs. Quantity is also important - some programs i.e. AutoCad need a lot of RAM because there is huge amounts of information that needs to be stored.. thats why most designers (of games, buildings etc.) have a few GBs of RAM
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When you work on the computer you actually work with the memory.This is where all the data are stored and are given to the CPU for processing.The more applications you have open or you are working with a complicate software with many features memory size is important to ba able to control everything.This is why the computer is freezing if you are running too many services with low RAM
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