Consider a relation s(a, b) having 7 tuples such that 70 tuples fit into one disk block. suppose you can use 7 disk blocks in the buffer for sorting. give an estimate of the number of block ios needed for external merge sort on s

Speed is how fast an object moves a certain distance within a length of time. how is speed calculated? a) distance/time b) time/distance c) velocity/time d) distance x time

What judgment would you make about open systems interconnect? not useful that it is a technology that it is a model that it does not pertain to technology

Many prestigious universities have a system called a “legacy preference system” which is used to decide which applicants should be accepted to the university. if an applicant’s parent is an alumnus of the university, the applicant will be admitted with lower gpa and sat scores than if the parent is not an alumnus. (there is currently a lot of discussion about the fairness of this system, but universities get a lot of money from their alumni so they are unwilling to change ) your assignment for mp2 is to implement a computerized system like this for a very small prestigious university. the university has two schools, liberal arts and music, each with their own criteria for accepting students. your program must read in certain information about an applicant and print a message saying whether the applicant should be accepted or not.