engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Digital Electronics Microprocessors Interfacing with 8085
Which of the following statement is true regarding DMA operation:
1
The direct transfer of data between memory and accumulator
2
The direct transfer of data between I/O device and Memory without involving microprocessor
3
Transfer of data exclusively between the microprocessor’s internal registers
4
A mode of fast transfer of data between the microprocessor and I/O devices