Consider a situation where a CPU is working in user mode and an I/O device is sitting idle. At time 15 µs, an I/O request comes to the I/O device. The I/O device responds and transfers data from device to controller buffer. The time duration to transfer the data is 25 µs. After that, CPU gets an I/O interrupt request and transfers the data to memory. It takes 10 µs. Draw an interrupt time line to represent the above situation.
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Consider a situation where a CPU is working in user mode and an I/O device is sitting idle. At time 15 µs, an I/O request comes to the I/O device. The I/O device responds and transfers data from
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