Aresearch team is studying parallel computing. they want to run parallel process without having to use multiple processors. how can this be done?

a. by using cache
b. by using cores
c. by using threads
d. by using locks

note: i answered locks the first time and got it wrong, i think it might be “b. by using cores” but i need to make sure since i only get one retry, me graduate

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?