The advantage of using pointers rather than references is that the function call specifies that addresses are being used.

In the pseudocode of the textbook, what does the variable middle represent in a binary sort algorithm?

a. the average of the two middle values of the array b. the value of the middle element of the array c. the subscript of the middle element or the average of two middle elements in the portion being searched d. None of these. The variable middle is used only in the bubble sort.

____ devices receive signals transmitted by a collection of earth-orbiting satellites.

A. RFID B. Triangulation C. GPS D. Mobile locating