A cover letter is a document sent with your resume to provide additional details about you. The cover letter is what introduces your resume and you.
<span>A few short tips for writing cover letters. i dont know if thats the answer you looking for</span>
Green computing is the environmentally responsible and eco-friendly use of computers and their resources. In broader terms, it is also defined as the study of designing, manufacturing/engineering, using and disposing of computing devices in a way that reduces their environmental impact.
Operating System (OS) is the answer.
An application runs in/on an OS. It is not the OS itself. Like Word or Chrome are applications.
Systems is too generic and not specific enough to mean anything in this context. Throw away answer.
Network Operating System does not 'usually' run on a hard drive but on memory chips in things like routers, wireless access points and switches that move network traffic.
Answer:
I'm a beginner but I go you!
Explanation: