1. Briefly discuss that Learning C++ programming is beneficial for Engineering students across discipline of study. Mention at least two. (2 mark) 2. One of the important stage in C++ program execution is compiling. Briefly explain what is compiling and give three examples of C++ compiler. (2 marks) 3. Briefly explain what is Interactive Development Environment (IDE) and give three examples of popular C++ IDE. (2 marks) 4. You've been asked to write a C++ program to calculate the total resistance of a series circuit. In this circuit, the total resistance is the sum of all individual resistance values. The circuit consists of a number of 56-ohm, 33-ohm, and 15-ohm resistors. How may inputs and outputs does the program have? (3 mark) 5. State whether the following variable names are valid. If they are invalid, state the reason. Also, indicate which of the valid variable names shouldn't be used because they convey no information about the variable. (3 marks) TRY, b243, radadeg, 2num, for, summary, while , 3d2c, for, tot.al, BSfive, pow. 6. How much is the maximum value for a variable of type signed int? Briefly explain your answer why