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Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
Codes and inventions part 1
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Codes and inventions part 1

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A basic intro to barcodes for efl learners

A basic intro to barcodes for efl learners

Published in: Technology, Business
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  • 1. Norman Joseph Woodland & Bernard Silver They invented something so useful we see it everyday on everything ???
  • 2. Norman Woodland ... •was a boy scout and •a code fanatic •he learned Morse code when he was a scout
  • 3. Norman Woodland • • was an engineering student was in a village store when …..
  • 4. He heard the shop keeper asking for….
  • 5. An easy way to ….. • register stock • control stock • change prices easily What did Norman Woodland and Bernard Silver invent?
  • 6. This is called a ???
  • 7. This barcode is ? 1. 1D 2. 2D 3. UPC
  • 8. Solution ? 1D - information can be read in One direction UPC - Universal Product Code
  • 9. This barcode can contain how much information? 1. 20 characters 2. 150 characters 3. 500+ characters 4. 1,000+ characters
  • 10. The inventors of the barcode got their patent in ... 1. 1965 2. 1952 3. 1975
  • 11. The inventors of the barcode became millionaires? True or False ?
  • 12. They sold their invention for …. 1. $15,000 2. $500,000 3. Enough money for them to retire for ever!
  • 13. Their invention was not used for 20 years ……. Why? What invention didn’t exist ?
  • 14. To use a barcode you need a laser! The first laser was invented in 1962 …...
  • 15. The first article was scanned in a shop in …. 1. 1967 2. 1983 3. 1974 4. 1978
  • 16. What was the first article scanned? It cost 67 cents
  • 17. What can you remember? 1. Who invented the bar code ? 2. When did they get the patent? 3. What invention is necessary to use a barcode? 4. How much money did this invention make for the inventors? 5. What was the first article scanned and when?
  • 18. What can you remember ? 1. How much information can a barcode contain on average ? 1. What does UPC mean? 1. Is a barcode 1D 2D or 3D - this means ?

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