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:
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The World Wide Web Consortium, which <span>is an international community where organizations, employees</span><span> and the general public work together to develop Web standards.</span>