What is DRAM? In which form does it store data?

DRAM or Dynamic Random Access memory stores data in the form of 0’s and 1’s. The processor can access any part of memory randomly. It is called dynamic because it is refreshed every few milliseconds unlike RAM which is refreshed only when the POWER is OFF.
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DRAM or Dynamic Random Access memory stores data in the form of 0’s and 1’s.

Dynamic random-access memory (DRAM) is a type of random access semiconductor memory that stores each bit of data as 0 or 1