Consider a memory organised into 8K rows, and that it takes 4 cycles to complete a read operation. Then the refresh overhead of the chip is ______(a) 0.0021(b) 0.0038(c) 0.0064(d) 0.0128The question was posed to me in quiz.I would like to ask this question from Large Memories in chapter Memory System of Computer Architecture

Consider a memory organised into 8K rows, and that it takes 4 cycles t

1.	Consider a memory organised into 8K rows, and that it takes 4 cycles to complete a read operation. Then the refresh overhead of the chip is ______(a) 0.0021(b) 0.0038(c) 0.0064(d) 0.0128The question was posed to me in quiz.I would like to ask this question from Large Memories in chapter Memory System of Computer Architecture
Answer» The correct answer is (b) 0.0038 To ELABORATE: The refresh OVERHEAD is calculated by taking into account the total time for refreshing and the INTERVAL of each refresh.

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