AP CSP code.org Unit 4 Review Flashcard

Front

What are variables used for in programming?

Back

To store and manipulate data

Front

Which of the following is NOT a valid data type in programming? number, boolean, string, person

Back

person

Front

What is debugging in programming?

Back

Identifying and fixing errors or bugs in a program

Front

Which of the following is NOT a common debugging technique? Adding console log statements, Reviewing error logs, Using a watcher

Back

Randomly adding semi-colons

Front

What is the purpose of comments in programming?

Back

To provide explanations or notes within the code

Front

What is the correct syntax for declaring a variable to show that the current number of dogs is 2? Options: var numOfDogs = 2, numOfDogs = 2, VAR numOfDogs = 2, numOfDogs is 2

Back

var numOfDogs = 2

Front

What is displayed by the console.log statement after the following code segment executes? Options: value is: 2, value is: 2.3333333, value is: 3, value is: 4, value is: c

Back

value is: 4

Front

What is the output of the following JavaScript code segment?

Back

5hello

Front

A Boolean expression is an expression that evaluates to which of the following? Yes/Maybe/No, Any Integer, Integers between 1 and 10, Any single character

Back

True/False