<Table> <Tr> <Td> </Td> <Td> This article needs more links to other articles to help integrate it into the encyclopedia . Please help improve this article by adding links that are relevant to the context within the existing text . (July 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs more links to other articles to help integrate it into the encyclopedia . Please help improve this article by adding links that are relevant to the context within the existing text . (July 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> The input--process--output (IPO) model, or input - process - output pattern, is a widely used approach in systems analysis and software engineering for describing the structure of an information processing program or other process . Many introductory programming and systems analysis texts introduce this as the most basic structure for describing a process . </P> <P> A computer program or any other sort of process using the input - process - output model receives inputs from a user or other source, does some computations on the inputs, and returns the results of the computations . In essence the system separates itself from the environment, thus defining both inputs and outputs, as one united mechanism . The system would divide the work into two categories: </P>

What is input process and output in computer