What is binary code?

• • A code using only the numbers 2 and 3

• • A code using letters of the alphabet

• • A code using only the numbers 0 and 1

• • A secret language for spies

What does the number "1" represent in binary code when making pixel art?

• • An empty square

• • A filled or colored square

• • A sound

• • A flashing light

What does the number "0" represent in binary code when making pixel art?

• • A filled or colored square

• • A flashing square

• • A sound signal

• • An empty or blank square

What is a pixel?

• • The smallest unit of a picture on a screen

• • A picture made of several colors

• • A special type of computer file

• • A type of computer software

How many squares are in an 8x8 grid?

• 32

• 100

• 64

• 48

If a square on the grid is colored in, what number would it be in binary code?

• 0

• 2

• 1

• 3

Binary code is only used for images.

• True

• False

What are the only two numbers used in binary code?

• 0 and 1

• 5 and 7

• 2 and 3

• 8 and 9

What is this binary picture?

• Car

• Cup

• Cow

• Cat

What is this binary letter?

• B

• S

• E

• P