Consider the four types of input/output control discussed in this class. Which of the four control methods is best suited for rapid response to an input or output event?

1-Programmed I/O

2- Direct Memory Access

3- Interrupt-driven I/O

4- Channel I/O

Consider the four types of input/output control discussed in this class. Which of the four control methods is best suited for transfer of large blocks of data?

1-	Direct Memory Access

2-	Channel I/O

3-	Programmed I/O

4-	Interrupt-driven I/O