December 23

Which of these are acceptable ways to write the variable name "letter one"?

• letterOne

• letterOne

• letter-one

• letter_one

Which of these poorly-formatted coding excerpts will break the code?

• var x-pos = 0;

• ellipse(200,200,50,50);

• if(i - 10 > 3) {

• text("Once upon a midnight dreary, while I pondered, weak and weary, Over many a quaint and curious volume of forgotten lore\nWhile I nodded, nearly napping, suddenly there came a tapping,As of some one gently rapping, rapping at my chamber door.", 200, 200);

What do you know about the whole program based on this section of code?

switch (state) {

case 1:

• There are multiple different ways the program can work, depending on the variable "state"

• The canvas size is changed from 400, 400 to something else

• There is a draw function in the code

• There is an array called "state" that holds a list of boolean variables

Finish this comment:

// When the user presses a key...

if (keyPressed) {

fill(colours[round(random(12))]);

}

• ...change the fill to any random colour

• ...change the fill to the colour at position 12 in the colours array

• ...change the fill to a random colour from the colours array

• ...add a new colour to the end of the colours array

Select the symbol for IS:

• ||

• &&

• !

• ===

Evaluate this expression:

False === False

• True

• False

Evaluate this expression:

var x; // x is either true or false but you don't know which

(x && !x)

• True

• False

What does a variable do?

• Teaches the computer a new task

• Remembers information

• Runs a command

• Repeats an action

Which of these rectangles will appear at the bottom of the screen?

• rect(0, 330, 410, 80);

• rect(410, 330, 0, 80);

• rect(330, 80, 0, 410);

• rect(80, 410, 330, 0);

Which of these ellipses should be placed first so we can see both of them?

a. ellipse(250, 250 ,140, 120);

b. ellipse(250, 250, 150, 150);

• a

• b

• It doesn't matter