[問題] 請問考古題

[wakke (衝阿 去掉C)]

台大b卷93 11題

SDRAM chips are faster than DRAM chips because they
(A)transfer data twice for each clock cycle
(B)are synchronized to the system clock
(C)do not have to re-energized as often
(D)use pipelining techniques
(E)以上皆是

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推 erichugh:C
推 erichugh:改成B解釋在下面
推 wakke:感謝了^^