___________ is a symbolic representation of the machine language of a specific processor, augmented by additional types of statements that facilitate program writing and that provide instructions to the assembler.

Which of the following is an additional property for JPEG graphics files?

A. dimensions B. size C. storage location D. date when file was created

What is the value in x after line 6 is run?

``` 1 string s, t; 2 s = “Get up and go to school!”; 3 t = “NO!”; 4 int n = s.size(); 5 int w = s.at(3); 6 int x = s.at(12); 7 s += t; 8 cout << s; ``` A. g B. o C. space ‘ ‘ D. s