Binary Numbers Quiz

What is binary?

• A type of animal

• A way of counting using only 0 and 1

• A type of bicycle

• A shape

How many different digits are used in binary?

• 2

• 5

• 10

• 100

What are the two digits used in binary?

• 1 and 2

• 0 and 1

• 2 and 3

• 5 and 6

What does the binary number 1 mean?

• Zero

• One

• Two

• Ten

What does the binary number 10 mean?

• One

• Two

• Ten

• Zero

What does the binary number 11 mean?

• Two

• Three

• Four

• Eleven

What comes after 11 in binary?

• 12

• 100

What does binary 100 mean?

• Three

• Four

• Five

• Six

Computers use binary because:

• It is colourful

• It is easy for humans

• It matches electrical signals (on/off)

• It is faster to write

What does the binary number 1100 equal in decimal?

• 3

• 12

• 14

• 1100