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In a programmed input/output(PIO) __________

the CPU uses polling to watch the control bit constantly, looping to see if a device is ready

the CPU writes one data byte to the data register and sets a bit in control register to show that a byte is available

the CPU receives an interrupt when the device is ready for the next byte

the CPU runs a user written code and does accordingly

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Introduction to Operating System

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Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

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Finding and Processing Files

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