Binary numbers

Binary numbers

By Mike Paquette

Directions

​Please take 20 minutes to watch the video on the next slide. When you have completed answer the questions.

Some text here about the topic of discussion

​https://www.youtube.com/watch?v=rTuKKVcYeMg&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=5

Multiple Choice

What is binary?

• A sequence of 1's and 0's

• The way a computer speaks

• Useless code that's no longer used

Multiple Choice

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

• Base 12

• Base 8

• Base 2

• Base 10

Multiple Choice

What kind of number system is used in everyday life?

• A simple number system

• Denary

• Binary

Multiple Choice

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

• 2

• 10

• 12

• 1

Multiple Choice

How do Binary values change with each addtional number?

• They double

• They go up in 10's

Multiple Choice

What would the Binary number 01101 be in denary?

• 1101

• 4

• 13

• 16

Multiple Choice

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

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

Multiple Choice

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

Multiple Choice

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

Multiple Choice

Binary uses electrical signals

• True
• False

Multiple Choice

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

• 0
• 1

Multiple Choice

Which of these is NOT an example of binary?

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

Multiple Choice

Data moves through a computer in the form of

• electricity
• gremlins
• pictures
• wishes

Multiple Choice

What is 12 in binary?

• 0010
• 1010
• 1100
• 1111

Multiple Choice

How would you write the number 4 in binary code?

• 0100
• 0000
• 0001
• 0010

Multiple Choice

What is 3 in binary?

• 0100
• 0001
• 0101
• 0011

Multiple Choice

How would you write the number two in binary?

• 1001
• 0001
• 0000
• 0010

Multiple Choice

Binary is made up of which numbers 

• 3 and 4.
• 2 and 3.
• 1 and 2.
• 0 and 1.

Multiple Choice

What is an algorithm?

• A list of steps

• Math

• Words

• Olympic Sports

Multiple Choice

Computers use binary for?

• Playing videos on the internet

• Storing data

Multiple Choice

Which of the following devices uses binary code?

• Train

• Sewing Machine

• Typewriter

• Calculator