Acomputer process data using 1s and 0s

Hassan is writing his master’s thesis, which is a thirty-page document. he received some feedback from his professor in the form of comments, but does not see where the comments are. what is the fastest way for hassan to find the feedback?

To produce a starlight effect in her photograph, lina should choose the filter for her camera.

What are "open-loop" and "closed-loop" systems