barcode
Barcodes encode machine-readable data. This topic is part of Data within Technology. This page currently draws on 7 supporting questions, with answers and bonus facts available below.
barcode trivia questions
A barcode stores information in a pattern of what?
Answer: Lines or squares
Bonus fact: Barcodes encode machine-readable data.
What device reads a traditional retail barcode?
Answer: Scanner
Bonus fact: Optical scanners decode reflected light patterns.
What does UPC stand for in retail barcoding?
Answer: Universal Product Code
Bonus fact: UPC is a standardized product identifier.
A barcode scanner reads what?
Answer: Barcodes
Bonus fact: It converts optical patterns into digital data.
Traditional laser barcode scanners detect differences in what?
Answer: Reflected light
Bonus fact: Dark bars reflect less light than light spaces.
A digital coupon is typically redeemed using a code, app, or what machine-readable symbol?
Answer: Barcode
Bonus fact: Many digital coupons use barcodes or QR codes to identify the offer at checkout.
A QR code is what type of symbol?
Answer: Two-dimensional barcode
Bonus fact: QR codes store data in a square matrix.