The name should pop up on the email saying sent by?
Answer:
An operating system is something that controls the functions of an application software(app). The app does specific tasks for the end-user; the end user is someone who is, or is supposed to, use a product. The app uses API to request services from the operating system. If the user is interacting direct with software, it is an application software.
Explanation:
Prototype is a working model for a product only for testing purposes