Virtual Gate Test Series: CO & Architecture - Dynamic Memory

Question

The false statement about dynamic RAM is

(A) Power consumption of dynamic RAM is more than static RAM
(B) Gate density of dynamic RAM is higher than that of static RAMs
(C) Dynamic RAMs require a memory refresh cycle after each memory read cycle
(D) Main memory of a general purpose computer system is usually built using dynamic RAM

Answer 1

A) True
B) False (DRAM uses 1 transistor for 1 bit but SRAM uses 6 transistors for 1 bit)
C) True
D) True

REF: https://courses.cs.washington.edu/courses/cse471/01au/mainmem.pdf

Comments

thks bro i got it and answer is given A but its incorrect

correct answer is B .

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due to additional refresh circuit and rewrite info after every read DRAM needs more power than SRAM