Code.Org Unit 4 Variables

Front

The "Comment" block allows...

Back

You to organize your code and doesn't change it

Front

What is y equal to at the end of this program?

Back

55

Front

What is x equal to at the end of this program?

Back

30

Front

What number will print to the console at the end of this program?

Back

24

Front

What is y equal to at the end of this program?

Back

100

Front

What number will print to the console at the end of this program? Options: 20, 100, 120, 220

Back

220

Front

This code doesn't work properly. Which line is causing the problem?

Back

6

Answer explanation

You only need to type "var" for the variable the first time you use it in the code. You need to delete the "var" in line 6.

Front

A variable whose scope allows it to be used and updated by any part of the code. Its scope is typically derived from the variable being declared (created) OUTSIDE of any function, object, or method.

Back

Global Variable

Front

A variable with a scope that can only be seen, used and updated by code within the same scope. Typically this means the variable was declared (created) INSIDE a function -- includes function parameter variables.

Back

Local Variable

Front

What will be the value of "x" that prints to the console? Options: 0, 5, 25, 26

Back

26