Respuesta :
The outcome of the I/O instructions written in the computer program is what drives programming I/O.
The outcome of the I/O instructions written in the computer program is what drives programming I/O. By informing the interface to send an interrupt request signal whenever data is available from any device using the interrupt facility and special commands. The speed of the CPU determines how quickly data can be transferred between a fast storage medium, like a magnetic disk, and a memory unit.
Since we can see in the example above, the CPU is kept busier than necessary. Using an interrupt-driven technique for data transfer can probably prevent this situation. by informing the interface to send an interrupt request signal whenever data is available from any device using the interrupt facility and specific commands.
The CPU can continue running any other programs in the interim. The interface continues to keep an eye on the object. When the device is ready to transfer data, it sends a signal to the computer asking for an interrupt.
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