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A timer that derives pulse for refreshing action or time for which a dynamic RAM cell can hold data charge level practically constant is

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A timer that derives pulse for refreshing action or time for which a dynamic RAM cell can hold data charge level practically constant is

(a) constant timer

(b) data managing timer

(c) refresh timer

(d) qualitative timer

I have been asked this question in an internship interview.

This interesting question is from Dynamic RAM Interfacing topic in portion Basic Peripherals and their Interfacing with 8086/88 of Microprocessor

1 Answer

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by (49.2k points)
Correct option is (c) refresh timer

Best explanation: Refresh timer derives a pulse for refreshing action after each refresh interval which can be qualitatively defined as the time for which a dynamic RAM cell can hold data charge level practically constant.

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