Escalade 2024 Programmed I/O. An i/o module is a hardware component serving as an interface between a computer’s central processing unit (cpu) and input/output devices. In this tutorial we will learn about how input and output is handled in a computer system.

First, we’ll define them and describe their properties. Interrupt driven i/o is an approach to transfer data between ‘memory’ and ‘i/o devices’ through the ‘processor’.