For a more specific indicator, RAM has a megahertz ( MHz) number next to it, indicating its exact speed the higher the MHz, the faster the RAM speed. DDR4 RAM is about two times faster than DDR3 RAM.
When buying RAM, for example, you can easily compare different options by looking at the DDR (double data rate) version. Some memory devices are capable of storing and accessing information faster than others. Are some types of memory faster than others? EPROM is an example of non-volatile memory.Ĭomputers use both non-volatile and volatile memory. Non-volatile memory, sometimes abbreviated as NVRAM, keeps its contents even if the power is lost.
It is why if your computer freezes or reboots when working on a program, you lose anything that wasn't saved. Computer RAM is an example of volatile memory. Volatile memory loses its contents when the computer or hardware device loses power. Memory can be either volatile or non-volatile memory. This memory module connects to the memory slot on a computer motherboard. Why is memory important or needed for a computer?īelow is an example of a 512 MB DIMM computer memory module.What happens to memory when the computer is turned off?.Are some types of memory faster than others?.
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