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
Answer:A
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
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.