JFE301Xuất hiện trong 1 đề thi
Which of the following is an appropriate explanation of DRAM?
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AIt is a memory chip on which data can be written using a specially-designed device and erased by exposure to ultraviolet light.
BIt is often used as main memory, and one bit is represented depending on whether or not its capacitor is charged.
CIt is used as memory to store micro-programs that are written at the time of manufacturing.
DIt is used as high-speed memory such as cache which is composed of flip-flops, and the manufacturing cost is high.