S3 Code Comments & Variables

Why is it important to add comments to code?

• To make the code run faster

• To add more lines of code

• To improve the readability of code

• To change the functionality of the code

What can happen as programs grow and expand?

• They can become easier to read

• They require fewer comments

• They can become complicated to read

• They become shorter

What is the purpose of comments in code?

• To cause errors in the program

• To be executed as part of the program

• To explain what the program is doing and how it is doing it

• To change the flow of the program

Who benefits from comments in the code?

• The computer

• The programmer and others reading the code

• External devices interacting with the code

• The program's execution speed

What is NOT a function of comments in code?

• Ignored by the computer

• Highlights important sections of code

• Can remind the programmer of how their code works

• Increases the execution speed of the program

Where is it considered good practice to insert multi-line comments in a program?

• At the bottom of the program

• In the middle of the program

• At the top of the program

• Outside the program file

What information should multi-line comments contain?

• Only the name of the program

• Only the author's name and date

• The name of the program, author, date, and description of what the program will do

• Random notes and reminders

How are multi-line comments in a program typically started and ended?

• With a single quotation mark

• With a hash symbol (#)

• With a double slash (//)

• With three quotation marks

What symbol is used to add single line comments in code?

• //

• /*

• #

What is the purpose of using single line comments in code?

• To change the functionality of the code

• To compile the code faster

• To explain certain aspects of the code

• To create a new variable