DRAM

Which is a characteristic of GDDR, used as graphics memory for GPUs?

  1. AIt is a standard that emphasizes data transfer bandwidth (speed)
  2. BIt retains data when the power is turned off
  3. CIt is slow but very cheap
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Answer: A. It is a standard that emphasizes data transfer bandwidth (speed)

GDDR is a DRAM standard that emphasizes data transfer speed so that GPUs can handle large amounts of image data quickly. Its per-pin data rate is higher than ordinary DDR, and it is used in graphics cards and game consoles. When even more bandwidth is needed, HBM is used.

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More DRAM questions

  1. What is the main purpose of burying the gate electrode in a trench in the silicon substrate (buried word line) in recent DRAM cell transistors?
  2. In DRAM, what is the main reason for splitting the address into row and column addresses and supplying them in turn through the same pins?
  3. What is the main purpose of dividing the inside of a DRAM into multiple banks?
  4. Why is the voltage change on the bit line very small when DRAM is read?
  5. Which correctly describes the idea of 3D DRAM, under research and development as a way to increase future DRAM capacity?