Technology · Topic 59 of 59
Barcodes
⭐ MasteredA barcode is a pattern of lines and spaces that a scanner reads to identify a product. Each barcode is unique, so shops can track items and prices.
💡 Fun fact
The first barcode scanned in a shop was a packet of chewing gum in 1974.
All about Barcodes
A barcode is a pattern of lines and spaces that a scanner reads to identify a product. Each barcode is unique, so shops can track items and prices.
Barcodes make checkouts faster and help with stock control.
🎮 Try it yourself!
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Real-life uses of Barcodes
- Scanning items at shops
- Tracking stock in warehouses
- Managing library books
Frequently asked questions about Barcodes
What does a barcode identify?
A product.
What reads a barcode?
A scanner.