10. A 256 MB DRAM chip is organized as a 32M x 8 memory externally and...

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10. A 256 MB DRAM chip is organized as a 32M x 8 memory externally and as a 16K x 16K array internally. Rows must be refreshe

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Total number of rows = 16K

Time taken to refresh 1 row= 50ns

Time taken to refresh 16K = 50 * 10-916000- 0.8ms

Fraction of memory lost =0.8/30=0.0267

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10. A 256 MB DRAM chip is organized as a 32M x 8 memory externally and as a 16K x 16K array internally. Rows must be...

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