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Difference Between Static and Dynamic RAM

We have already discussed about the primary memory and secondary memory. today in thi8s post we will discuss the difference between SRAM  static RAM and DRAM: Dynamic RAM.

                 SRAM    
           DRAM
1)It need not be refreshed
1)Need to be refreshed periodically
2)These are not as dense as DRAM
2)They are dense
3)It is fast
3)Little slow
4)Low latency
4)Longer latency
5)Access time is 25  nanoseconds
6)Best for internal memory
7) Expensive, consumes more power
8) Stores information as long as the power supply is on.
5)Access time is 60 nanoseconds
6)Best for system’s memory
7) Inexpensive, consumes less power
8) Dynamic RAM loses data in a very short time.


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