1. Binary Code Cracking

2. Today’s Learning Objective
“Learn how to decode binary numbers”.
Write this Learning Objective onto your Self Assessment Sheet.
Wednesday, 28 November 2018

3. How do Computers Talk? Is this right?
Not bad Steve but my hard drive’s playing up a bit.
Hello Bill how ya doin?
Learn how to decode binary numbers

4. Learn how to decode binary numbers
How do Computers Talk?
NO!!! This is more like it:
Learn how to decode binary numbers

5. Learn how to decode binary numbers
Computer Talk
Computers communicate and share data using 1’s and 0’s.
This is called:
Binary
Learn how to decode binary numbers

6. Learn how to decode binary numbers
Usually written as 8 bits:
The people holding signs would be 1’s and those without would be 0’s. + + 8
= 11 2 1
Learn how to decode binary numbers

7. Learn how to decode binary numbers
Decoding Binary
The 8 bits represent:
128, 64, 32, 16, 8, 4, 2, 1
So to convert we can use the table below:
128 64 32 16 8 4 2 1
Adding these together gives 21
Learn how to decode binary numbers

8. The Binary Game Left Half VS. Right Half
Select 1 representative from each half of the room.
Learn how to decode binary numbers

9. Learn how to decode binary numbers
Task
Use the help sheet called “Decoding Binary Numbers” to decode the secret message that has been ed to you.
Copy and paste the into a Word document and write the real message underneath.
Learn how to decode binary numbers

10. Learn how to decode binary numbers
Extension Task
Play the Binary Game yourself and see what score you get.
Learn how to decode binary numbers

11. Today’s Learning Objective
“Learn how to decode binary numbers”.
Put  or  onto your Self Assessment sheet to show whether or not you have achieved today’s learning objective.
Wednesday, 28 November 2018