memory refresh
Random access memory (RAM) may be either static, which holds its memory so long as there is a power supply, or dynamic, which has to be refreshed by reading and rewriting the contents very frequently (about every 2 milliseconds).
Random access memory (RAM) may be either static, which holds its memory so long as there is a power supply, or dynamic, which has to be refreshed by reading and rewriting the contents very frequently (about every 2 milliseconds).