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Memory and Storage - Technical MCQs

Q1:

Which of the following is one of the basic characteristics of DRAMs?

A DRAMs must have a constantly changing input.

B DRAMs must be periodically refreshed in order to be able to retain data.

C DRAMs have a broader "dynamic" storage range than other types of memories.

D DRAMs are simpler devices than other types of memories.

ANS:B - DRAMs must be periodically refreshed in order to be able to retain data.

To be refreshed for every 4 milliseconds to retained the binary information so option B.