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What is Programmed IO in Operating System? PDF Download

Learn Programmed IO definition in operating system with explanation to study “What is Programmed IO”. Study programmed io explanation with operating system terms to review operating system course for online degree programs.

Programmed IO Definition

  • A form of IO in which the CPU issues an IO command to an IO module.

    Operating Systems by William Stallings



Programmed IO Explanation

Programmed IO is a way of moving data between devices in a computer in which all data must be passed through the processor. In programmed IO, the CPU stays in the program loop until the IO unit indicates that is ready to transfer data.

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