CSD Unit 3 Test

Which is NOT best to decide before beginning to write code for a program?

• How the user will interact with the program

• What kind of variables you need to make it work

• The general purpose of the program

• How many lines of code the program should have

__________ is a label for a piece of information used in a program

• Parameter

• Variable

• Sprite

• Shape

3. Which of the following code snippets is an example of a variable?

• create

• var size=0

• rect (size, size, 100, 100)

• ellipse (100, 100, size, size)

Which piece of code is used to draw a circle?

• create

• var size=100

• rect (100, 100, size, size)

• ellipse (200, 200, size)

The function randomNumber(300, 400) will generate a random number if used in a program. Which of the following values could NOT be generated?

• 100

• 300

• 320

• 400

______________is a characteristic of a sprite, such as its appearance or location, eg sprite.scale

• bug

• abstraction

• frame

• property

When changing a sprite's position up and down, you use:

• sprite.x

• sprite.y

• x position

• exposition

drawLoop allows the program to ________.

• repeat the code in the loop over and over

• duplicate the comments

• change the size of the loops

• change the size of the comments

Which of the following will make it easier to read your code?

• Add descriptive comments to the code

• Use the counter pattern to increase the score

• Use watchers to track sprites

• Use random numbers to increase sprites' size

What does a Boolean expression evaluate to?

• The sum of two trigonometric functions

• idk

• Anything between 10 and 50

• True or False