The pin that disables all the DMA channels by clearing the mode registers is
A. MARK
B. CLEAR
C. RESET
D. READY
Answer:A
The pin that disables all the DMA channels by clearing the mode registers is
A. MARK B. CLEAR C. RESET D. READY
Explanation: The RESET pin which is asynchronous input disables all the DMA channels by clearing the mode registers, and tristates all the control lines.