Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Computer Organization and Architecture I/O Interface Input-Output Processor
Which of the following mode of data transfer takes place between the central unit and I/O devices?
1
Programmed I/O
2
Interrupt driven I/O
3
DMA
4
More than one of the above
5
None of the above