Binary

What is the point of binary?

• It represents how computers interpret electrical signals
• It's an easy way to code computers

• It is another way to do math

• Because it describes star systems

What is the denary number system?

• It counts the number of dens
• Our usual base 10 number system
• A special number system for computers
• Den Ary's number system

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

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

True or False: The binary number for a capital 'A' is the same as the binary number for a lower-case 'a'?

• True
• False

What kind of data does a computer represent with binary?

• numbers
• letters
• pictures
• all of the above

What kind of 'base' system is binary known as?

• Base 12

• Base 8

• Base 2

• Base 10

If a binary number ends with a 1, it must be...

• An odd number
• An even number
• A prime number
• The number 12

Computers can only understand 0s and 1s.

• True
• False

Which of these is NOT an example of binary?

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