a) Name 5 different data types used in C++ programming.

b) Give an example of the kind of data that would be kept in each of the types listed in question (a).

c) What does it mean to pass a variable by reference rather than by value?

d) When would the above be useful to do?

e) What does the following code do?

int val;

cout << Enter a value for processing: ;

cin >> val;

cout << val < 0 ? -val : val;

f) What is the second line of the above code segment used for?