AP CSP code.org Unit 4 Quiz

What are variables used for in programming?

• To confuse other programmers

• To slow down the program

• To store and manipulate data

• To make the code look more colorful

Which of the following is NOT a valid data type in programming?

• number

• boolean

• string

• person

What is the purpose of functions in programming?

• To increase the memory usage

• To group a set of repeated instructions together

• To slow down the execution of a program

• To make the code more complicated

What is debugging in programming?

• Creating new features in a program

• Testing a program for performance

• Writing code without any errors

• Identifying and fixing errors or bugs in a program

Which of the following is NOT a common debugging technique?

• Adding console log statements

• Randomly adding semi-colons

• Reviewing error logs

• Using a watcher

What is the purpose of comments in programming?

• To confuse other programmers

• To increase the file size

• To add decorative elements to the code

• To provide explanations or notes within the code

What is the correct syntax for declaring a variable to show that the current number of dogs is 2?

• var numOfDogs = 2

• numOfDogs = 2

• VAR numOfDogs = 2

• numOfDogs is 2

What is the correct way to call the function addADog?

• function addadog()

• function ADDADOG ()

• function add A Dog ()

• function addADog ()