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    • Digital Leaders >
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        • DL Archive
      • DL Tips
      • Quotes
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    • Flipped Learning >
      • Flipped Classroom vs. Blended Classroom
    • Gamification >
      • Gamification vs. Game Based Learning vs. Game Design
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        • Minecraft in Education
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        • Minecraft Literacy
        • Minecraft Coding Tutorials >
          • Minecraft Code Builder Setup
          • Minecraft Code: Walking on Air
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          • Minecraft Pixel Art
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      • The magic of Maths
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    • PLN Challenge >
      • Covering your backside
      • Twitter Challenge >
        • Challenge 1
        • Challenge 2
        • Challenge 3
        • Tips for staying safe on Twitter
        • Tips for hosting Edu Twitter Chats
        • Tips for taking part in Twitter chats
        • How to storify a chat
        • How to schedule Tweets
        • Twitter Lists
        • It's all about the hashtag! Essential chats for educators
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      • 30 ways to grow your PLN
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    • CPD >
      • Blocks to Code
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        • How to embed Flash into PowerPoint
        • How to embed YouTube videos in to PowerPoint
        • How to create a wiki
        • How to create a classroom blog
    • Teaching Computer Science >
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      • Programming Resources
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      • Posters
    • Theory Lessons >
      • Theory Tests
      • Computer Hardware >
        • Input / Output
        • CPU
        • LMC
        • Storage Devices
        • Memory (RAM / ROM)
      • Binary Lessons >
        • Units of Data
        • Binary Representation
        • Binary Representation of Images
        • Binary Representation of Characters
        • Binary Representation of Sound
        • Binary Representation of Instructions
        • Binary Addition
        • Hexadecimal
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          • 8 bit challenge
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YOUR CART

Binary Representation of Instructions

in this lesson, students explore how binary can be used to store instructions.

Learning Objectives:

  • Explain how instructions are coded as bit patterns
  • Explain how the computer distinguishes between instructions and data

Lesson 1: Theory (Instructions)

Suggested time: 50 mins


Starter

Start the lesson by loading the Little Man Computer simulation (http://www.atkinson.yorku.ca/~sychen/research/LMC/LMCHome.html) (Note: requires Java) and, as a recap, explain to students that the main function of the CPU is to fetch and execute the instructions. Refresh the students’ memories of how the CPU works by showing them an example set of instructions to add two numbers pre-loaded into the simulator (see below). 

Address

Instruction

What it does:

00

901

Input a number and put it in the calculator

01

399

Store the number in the calculator in memory slot 99

02

901

Input a number and put it in the calculator

03

199

Add the number in memory slot 99 to the number in the calculator

04

902

Output the number which is now in the calculator

05

000

End

Activity 1:

Give students the 'Representing Instructions' PowerPoint (below) and split the class into groups of 2 or 3.
representing_instruction.pptx
File Size: 969 kb
File Type: pptx
Download File

Explain to students that their main task is to create a podcast explaining how instructions are interpreted by the computer in binary.

Demonstrate how to create a podcast using GarageBand (Alternatively you could use Audacity (Free). Give each group a blank podcast storyboard (see below) along with an example (below) and explain to the students that they must complete the storyboard and have them approved before creating their podcasts.
podcast_story_board.pdf
File Size: 47 kb
File Type: pdf
Download File

podcast_storyboard_sample.pdf
File Size: 48 kb
File Type: pdf
Download File

For hints and tips on creating classroom podcasts, click here: http://recap.ltd.uk/podcasting/info/educatortips.php
​

Activity 2:

Students to record their podcasts.

Tip: For students who do not like recording their voice there are a number of free text-to-speech tools online which allow you to download your text-to-speech sample as an .mp3 / .wav. Here are two of my favourites:

AT&T Text to Speech Demo - http://www2.research.att.com/~ttsweb/tts/demo.php

fromtexttospeech.com - http://www.fromtexttospeech.com


Plenary:

If time allows, play some samples of students’ podcasts to the rest of the class. (see example below).

Tags: Binary, Instructions, GCSE Theory, Bit, Data, Binary Representation, Binary Representation of Sound, Sound, MP3, WMV, WAV, encoding, Amplitude, Frequency, Pitch, Sample rate, Tags: GCSE, KS4, Theory, Computing Theory, CS Theory, Binary, Binary Representation, binary 2, binary conversion, how to do binary conversion, counting binary, binary number to decimal, binary 101, 8 binary, binary digits, binary digit, meaning of binary
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