Main Memory
Everything that happens in the computer is resident in main memory
Capacity: around 100 Mbyte to 100 Gbyte
Random access
Typical access time is 10- 100 nanoseconds
Why DRAM for Main Memory ??
Cost effective (small chip area than SRAM)
High Speed(than HDD, flash)
High Density(~Gbyte)
Mass Production ……
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