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Explain the purpose of the I/O instructions IN and OUT.

  Shared By: Lois Schmidt    Date: Jan 10    Category: Assembly Language    Views: 1541

Answer:

The IN instruction is used to move data from an I/O port into the accumulator. The OUT instruction is used to move data from the accumulator to an I/O port. The IN & OUT instructions are used only on microprocessor, which use a separate address space for interfacing.

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