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Q rcodes


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This is a presentation about QR codes.

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Q rcodes

  1. 1. Journey to QR Code <ul><li>By: Boshra Zawawi </li></ul><ul><li>EDIT 732 </li></ul><ul><li>Fall 2011 </li></ul>
  2. 2. Table of Content <ul><li>What is a barcode? </li></ul><ul><li>Advantages of 2D barcode </li></ul><ul><li>Different types of 2D barcodes </li></ul><ul><li>QR code definition & function </li></ul><ul><li>QR code error correction </li></ul><ul><li>Reading QR code </li></ul><ul><li>Using QR code in learning environments </li></ul><ul><li>Creating & sharing QR code </li></ul>
  3. 3. What Is a Barcode? <ul><li>They're machine-readable codes, so they can quickly pass on information about a product. </li></ul><ul><li>1940s received exclusive rights to an invention </li></ul><ul><li>1980s available in the market </li></ul><ul><li>Barcode is still a zebra pattern of a one-dimensional line stripes with numbers written underneath that needs a special scanning device to decode it. </li></ul><ul><li>Upgrading the barcode.....why and how? </li></ul>
  4. 4. Advantages of 2D Barcode <ul><li>More information </li></ul><ul><li>Fewer errors </li></ul><ul><li>Easier to read </li></ul><ul><li>Easy to transmit </li></ul><ul><li>More secure </li></ul><ul><li>Readable from any direction in 360° </li></ul>20 digits max.
  5. 5. Formate of 2D Barcodes <ul><li>ShotCode </li></ul><ul><li>Datamatrix Code </li></ul><ul><li>Micro QR Code </li></ul><ul><li>Aztec Code </li></ul><ul><li>Semacode </li></ul><ul><li>Maxi Code </li></ul><ul><li>QR Code </li></ul>
  6. 6. QR Code Definition <ul><li>QR stands for Quick Response. </li></ul><ul><li>QR-Codes are two dimensional barcode (datamatrix) that is designed to have its contents decoded at a high speed. </li></ul>
  7. 7. QR Code Function
  8. 8. QR Code Function Encoding size capability: A total of 7,089 numerical characters can be encoded in one symbol alone.
  9. 9. QR Code Error Correction <ul><li>Four levels of error correction </li></ul><ul><li>The higher the level correction, the less amount of data...Why? </li></ul>
  10. 10. QR Code Error Correction <ul><li>Restore damaged data </li></ul><ul><li>Read printed QR codes with less color contrast </li></ul>Why error correction?
  11. 11. Reading QR Code <ul><li>This can all be done within a matter of milliseconds making the transformation immediate from users’ mobile phone to the mobile web. </li></ul>&
  12. 12. Using QR Codes in Learning Environments <ul><li>“ Link hardware resources to online resources </li></ul><ul><li>Link a presentation slide to online information </li></ul><ul><li>Link equipment to online manuals </li></ul><ul><li>Link zoo or aquarium exhibits to more detailed information about the surroundings </li></ul><ul><li>Link buildings to information about architecture and history </li></ul><ul><li>Link artwork at a museum to information about the artwork </li></ul><ul><li>Guide students through a campus </li></ul><ul><li>Connect fieldwork and inquiry-based scavenger hunts with online information” ( ) .... </li></ul>
  13. 13.
  14. 14. Using QR Codes in Learning Environments <ul><li>“ Linking physical objects to online resources means that you can connect learners to: </li></ul><ul><ul><li>Text information </li></ul></ul><ul><ul><li>Quiz question </li></ul></ul><ul><ul><li>Scenario questions </li></ul></ul><ul><ul><li>Surveys </li></ul></ul><ul><ul><li>Discussion forums </li></ul></ul><ul><ul><li>Audio </li></ul></ul><ul><ul><li>Video </li></ul></ul><ul><ul><li>Instructor’s contact information and chatting “ ” </li></ul></ul>
  15. 15. Creating QR Codes <ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><ul><li>Lets create one! </li></ul></ul>
  16. 16. Sharing QR Codes <ul><li>You can share your QR code in many ways: </li></ul>
  17. 17. <ul><li>Resources </li></ul><ul><li> Retrieved 14 of oct. </li></ul><ul><li> retrieved 14 of Oct. </li></ul><ul><li> retrieved 16 of Oct. </li></ul><ul><li> retrieved 16 of Oct. </li></ul><ul><li> retrieved 16 of Oct. </li></ul><ul><li> retrieved 16 of Oct </li></ul><ul><li> </li></ul><ul><li>retrieved 16 of Oct </li></ul><ul><li> retrieved 24 of Oct. </li></ul><ul><li> retrieved 24 of Oct. </li></ul><ul><li> retrieved 25 of Oct. </li></ul><ul><li> retrieved 25 of Oct. </li></ul>