Your Mission Objectives

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Presentation transcript:

Your Mission Objectives What Be aware of what binary code is. Why Be able to convert binary to letters. How Active Participators.

How do computers work? A Computer is ran by a CPU (Central processing unit), it’s kind of like the computer’s brain. The CPU has lots of little switches in it that can either be ON (a 1) or OFF (a 0)

What is Binary Code? Binary code is the only thing the CPU understands. Everything you put into a computer is converted to Binary code for the CPU to process. Binary code is made up of 1’s and 0’s. The computer then translates these 1’s and 0’s into everything else. Even images your see are made up of 1’s and 0’s Read to students to make them understand why we are doing this. You could like this to the matrix and the green 1s and 0s you see.

Binary message sent by Bond 10100 01000 00101 10011 00101 00011 10010 00101 10100 10000 00001 10011 10011 10111 01111 10010 00100 01001 10011 10011 01011 11001 00110 00001 01100 01100 This is the message sent by Jame Bond, the students are going to see if they can crack it. Show them the next few slides to explain how to solve the binary code.

Mathematics How to crack the code 16 8 4 2 1 If computers only understand 0’s and 1’s how does it make all the other numbers and letter? 16 8 4 2 1 1 =1 1 = A 2 = B 3 = C

Mathematics How to crack the code 16 8 4 2 1 1 1 1 =14 1 1 1 =14 1 = A 2 = B 3 = C

Activity Open the “Crack the code” Spreadsheet found in: Section 3 There is a help sheet and a cheat sheet but only use those if you are struggling. Once you have worked out the secret code do the extra task on the next slide The crack the code spreadsheet is for students to complete independently.

Extension - What does this say? 00111011110111100100000101100100101 Quick Plenary

Code you a message in binary and email to someone else in the class. Home learning Code you a message in binary and email to someone else in the class. Quick Plenary