Match each aggregate function with the value it returns: I. Avg II. Count III. Maximum IV. Minimum V. Sum A. Returns the data item with the highest value B. Returns the data item with the lowest value C. Returns the mean value of a group of numbers D. Returns the total value of a column of numbers E. Returns the number of fields containing data

Which one of the following computing models allows the execution of multiple processes on a single processor by having the operating system switch between them without requiring modification to the applications?

A. Multitasking B. Multiprocessing C. Multiprogramming D. Multithreading

In most cases, it is better to use a function rather than a Sub procedure that passes a variable by reference.

Answer the following statement true (T) or false (F)