C++ Developer - Comments

The video tutorial covers the importance of comments in C programming, explaining both multiline and single line comments. It guides viewers through creating a new project in Visual Studio, demonstrates how to use comments for documentation, and presents a challenge to practice editing comments and creating variables. The tutorial concludes with a summary and a preview of the next topic on data operations.

What is the primary purpose of using comments in programming?

• To increase the execution speed of the program

• To provide documentation and notes within the code

• To make the code more complex

• To reduce the file size of the program

What is the correct syntax for starting a multiline comment in C?

• #

• /*

• //

In C programming, what happens if you remove a comment from the code?

• The program will display a warning message

• The program will automatically fix syntax errors

• The program will not compile if the comment contained necessary code

• The program will run faster

Which of the following is true about single line comments in C?

• They are not supported in C

• They can span multiple lines

• They end at the end of the line

• They require a closing delimiter

What is the correct way to declare a double variable with a value of 0.06 in C?

• double salesTax = 0.06;

• double salesTax = "0.06";

• double salesTax = '0.06';

• double salesTax = 0,06;

What should you include in a comment to indicate the purpose of a variable?

• The variable's memory address

• The variable's size in bytes

• The variable's data type

• A brief description of its use

What is the sales tax rate mentioned in the challenge exercise?

• 8%

• 7%

• 6%

• 5%