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What Is Input /output (i/o) Port Address Used For? |
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Answer» I/O PORTS are those sections of memory that the hardware DEVICES USE to communicate with the operating system. When a microprocessor receives an IRQ, the operating system checks the I/O port address to get the details of the hardware DEVICE that has triggered the COMMUNICATION. I/O ports are those sections of memory that the hardware devices use to communicate with the operating system. When a microprocessor receives an IRQ, the operating system checks the I/O port address to get the details of the hardware device that has triggered the communication. |
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