What is the available vector for each resource and the need matrix for each thread. Note that an available vector depicts the quantities of resources of each type that are available in the system after current allocation. The need matrix depicts of the quantities of resources of each type still needed by each thread, with each column corresponding to a thread and each row corresponding to a resource and an entry in location [i, j] of the matrix showing the quantity of a resource rj still needed by a thread ti.

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?