Prototyping Website Design $/$ App Design $/$ Device Design $/$ Appliance Design

Instructions:

$1.$ What is a prototype?

$2.$ Why prototype. Stages of prototyping $($Lugi $1989).$ What are low$/$medium$/$high fidelity prototypes and what are the benefits of each stage?

$3.$ Explain how you might develop prototypes across different devices.

$4.$ What is usability testing and why is it important?

Write a minimum $5$ pages