What is a barcode used for?

Storing data that a scanner can read.

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  1. Charging a phone
  2. Storing data that a scanner can read ✔
  3. Sending radio signals to satellites

Why: A barcode holds data in lines that a scanner reads, often used on products.

Huh, didn't know that: A barcode holds data in lines that a scanner reads, often used on products.

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Barcodes scan out nicely.
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References

Answer: Storing data that a scanner can read. A barcode holds data in lines that a scanner reads, often used on products.

  1. Scouting America: Digital Technology www.scouting.org/merit-badges/digital-technology
    Explain what a barcode, a QR code, and an RFID tag are
    Checked 2026-11-07.

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