Question

- Discuss the input-process-output model as it relates to program development.
- Explain the purpose of each step and how that information is used in each step.
- What would be the impact on overall program performance if one of these steps was not included?

Answer 1

• This is called IPO cycle.
• IPO stands for Input Process Output.
• All parts are necessary .

Lets see example.

Look at the program created in python below.

$\tt num=int(input("Enter\:a\: number:"))$

$\tt for\:i\:in\:range(3):$

$\qquad\tt print(i*x)$

Suppose you missed the input or don't give that then you won't get an output.

Answer 2

The Input-Output Model is a multifunctional graph that shows the inputs, outputs, and processing activities needed to convert inputs into outputs.

The Input-Output Model:

The modeling is sometimes set up to incorporate any storage that occurs during the process. The inputs reflect the external flow of data and commodities into the operation.

All actions necessary to transform the inputs are included in the processing stage. The data and materials that flow out of the process of transformation are the outputs.

A small engineering business, for example, feels there are issues with its hiring procedure.

Several of the newly hired junior engineers stayed at the business for less than a year.

This is a significant expense for the company, since hiring and training new professionals is expensive and time consuming. The human resources department chooses to assemble a team of people with a lot of expertise in hiring new engineers. One from their first jobs is to create a hiring process input-output model. They come up with the following.

Find out more information about 'Input-output model'.

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