Which of the following transfer mode can refresh the DRAM memory?(a) verify transfer mode(b) bloch transfer mode(c) demand transfer mode(d) cascade modeI got this question during an online exam.I'm obligated to ask this question of Implementation of DMA topic in section Basic Peripherals of Embedded Systems

Which of the following transfer mode can refresh the DRAM memory?(a) v

1.	Which of the following transfer mode can refresh the DRAM memory?(a) verify transfer mode(b) bloch transfer mode(c) demand transfer mode(d) cascade modeI got this question during an online exam.I'm obligated to ask this question of Implementation of DMA topic in section Basic Peripherals of Embedded Systems
Answer» Correct choice is (a) VERIFY transfer mode For explanation: The verify address transfer mode can GENERATE dummy ADDRESSES which are used for the DRAM refreshing.

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