Computer Science for IGCSE & O level - Hardware (Section 17 - No. 32)
Which of the following is a key feature of Dynamic RAM (DRAM)?
Faster read/write speeds than SRAM.
Requires constant refreshing.
Uses flip-flops to store data.
Is more expensive than SRAM.
Giải thích
DRAM requires constant refreshing to retain the data it stores.