How each programming language differs in terms of constructs, techniques, use and requirements?

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?

Aubrey didnt like to use graphics or images on her slides. she preferred to use only a title for her slides and bullet-poinged text. what is the best thing you could say to aubrey about using media that might change her mind? a. as long as you use it responsibly, it will only enhance your slides and engage your audience. b. actually, aubrey's beliefs are well founded and backed up by research. c. you should always try to inlcude as much media as you can on a slide. d. media will keep your audience entertained and take the pressure off the presenter.