What is the disadvantage of MOS capacitor in DRAM?(a) It can’t hold the data till a long period(b) It doesn’t holds the charge till a long period(c) It is highly densed(d) It is not flexibleThe question was posed to me by my school teacher while I was bunking the class.My doubt is from Random Access Memory topic in portion Memory Devices of Digital Circuits

What is the disadvantage of MOS capacitor in DRAM?(a) It can’t hold

1.	What is the disadvantage of MOS capacitor in DRAM?(a) It can’t hold the data till a long period(b) It doesn’t holds the charge till a long period(c) It is highly densed(d) It is not flexibleThe question was posed to me by my school teacher while I was bunking the class.My doubt is from Random Access Memory topic in portion Memory Devices of Digital Circuits
Answer» The correct answer is (b) It doesn’t holds the charge till a long PERIOD For explanation: The disadvantage of MOS capacitor in DRAM is that it can’t hold the stored charge over a long period of time and it has to be refreshed EVERY few millisecond. THUS, DRAM is slow in OPERATION.

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