In an interrupt driven input/output :
A. the CPU uses polling to watch the control bit constantly, looping to see if device is ready
B. the CPU writes one data byte to the data register and sets a bit in control register to show that a byte is available
C. the CPU receives an interrupt when the device is ready for the next byte
D. the CPU runs a user written code and does accordingly
Answer:A
In an interrupt driven input/output :
A. the CPU uses polling to watch the control bit constantly, looping to see if device is ready B. the CPU writes one data byte to the data register and sets a bit in control register to show that a byte is available C. the CPU receives an interrupt when the device is ready for the next byte D. the CPU runs a user written code and does accordingly
Explanation: None.