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Which refreshing techniques generate a recycled address?

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Which refreshing techniques generate a recycled address?

(a) RAS

(b) CBR

(c) Distributed refresh

(d) Software refresh

This question was addressed to me at a job interview.

The question is from DRAM Refreshing Techniques topic in chapter Memory Systems of Embedded Systems

1 Answer

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Right choice is (a) RAS

The explanation: The row address is placed on the address bus and the column address is held off which generates the recycle address. The address generation is done by an external hardware controller.

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