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by brittohalloran
2085 days ago
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Back of the envelope on storage capacity:
- Looks like about 200x200 px grid
- 200x200 = 40,000 total possible bits
- Assume only 75% of these are available for data due to QR structure and redundancy features
- Leaves about 30,000 bits or 3-4 kb capacity in that one image
- Comes out to about 5 reams of paper per mb of data storage This would be a better "ping pong balls on a plane" interview question for comp sci candidates. |
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