Binary Quiz

Convert 37 to binary

• 00100101
• 00100011
• 00100111
• 01000101

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

What is the point of binary?

• It represents how computers interpret electrical signals
• Because we like to make you do extra maths ;-D
• For the lulz
• Because it describes star systems

How would you write the number two in binary?

• 1001
• 0001
• 0000
• 0010

Tags

CCSS.2.NBT.A.3

What symbols does binary use?

• 0 and 1

• A and B

• 0, 1, 10, 11, 100, 110, 111

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Which of these is the correct sequence for the place values for binary numbers?

• 1, 2, 4, 8, 16, 32, 64, 128
• 1, 2, 4, 6, 8, 10, 12, 14, 16
• 1, 2, 3, 4, 5, 6, 7, 8
• 0, 1

Tags

CCSS.2.NBT.A.3

Binary uses electrical signals

• True
• False

An electrical circuit that is on, or lit up, is represented by a

• 0
• 1

Which of these is NOT an example of binary?

• on or off
• true or false
• yes or no
• head, shoulders, knees, or toes

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100