Transcription: Before your PC can perform anything useful, data must be moved from storage on the floppy or hard drive into random access memory, or RAM. On most PCs, RAM is comprised of modular chipsets called SIMs, short for single inline memory modules. SIMs are designed to be easily removed or replaced in a PC. If you need more RAM, you can simply add more SIMs. Adding and replacing SIMs is a lot cheaper than throwing out the whole computer. Unlike floppy or hard disks, RAM stores information as tiny electric charges held in capacitors. This makes RAM very fast and flexible. But it also means RAM cannot ...
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