Any change to graphics being displayed on the screen requires a call to the method ____________ to update the graphics.

The __________ incorporates routines that allow the user or programmer to create, delete, modify, and manipulate files by name.

a. file system b. shell c. user interface d. IOCS

int [ ,  ] score = {{88, 66, 76, 92, 95} {67, 88, 45, 99, 80}};int total = 0;foreach (int val in score)              total += val; Using the code shown above, what is added to total during the first iteration?

A. 0 B. 88 C. 86, 66, 76, 92 and 95 D. unknown, because val is not initialized