Difference between static and dynamic RAM?

Answer Posted / v.vijayakumar

Static RAM: No refreshing, 6 to 8 MOS transistors are
required to form one memory cell, Information stored as
voltage level in a flip flop.
Dynamic RAM: Refreshed periodically, 3 to 4 transistors are
required to form one memory cell, Information is stored as
a charge in the gate to substrate capacitance.

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