Code.org Unit 6 Review conditionals and Variables

Another term for an "if-else" statment is

• loops

• function

• conditional

• algorithm

Conditionals

• run lines of code a specified number of times

• check to see if a statement is true or false before running code

• always will run a set of commands

• will always skip a set of commands

In this code, the condition that needs to be checked is

• fruit.scale

• fruit.scale > 2

• if

• fruit.setAnimation

In this section of code, if the condition is true, what will happen?

• The bug will move right.

• The bug will move left

• The bug will move up

• You can't tell from this code

What does randomNumber (0, 100); mean?

• It will allow the computer to choose a random number betwen 0 and 100

• it will print any random number

• it will place a random number at the coordinates of (0, 100)

• it will return an error message because random numbers don't exist in Javascript

What is the proper way to write the name of a variable when the variable has more than one word

• redsox

• red sox

• redSoxWin

• REDSOX

What is the correct definition of "variable" in terms of computer science?

• the x value

• a placeholder for a piece of information that is stored in memory and can change

• the (x, y) coordinates on the coordinate plane

• the pieces of information that help us determine what the parameters are

Which of the following is a proper example of declaring a variable AND assigning an initial value to that variable?

• pineapple = 100;

• 100 = var pineapple;

• var pineapple = 100;

• var pineapple;

When used in JavaScript, the symbol = means....

• equals

• is

• gets the value or gets

• = is not used in Javascript

bug.x = bug.x -10

This line of code is an example of

• a conditional statement

• a declaration of a variable

• assignment of a value to a variable

• the counter pattern