Computer Science · Input Devices
Which of the following types of data can be encoded and represented dynamically by modern barcode standards like UPC or QR codes?
- 1Analog voice recordings of the product manufacturer details
- 2The real-time global positioning system (GPS) coordinates of the item
- 3Product metadata such as item identification numbers, prices, or expiry dates✓
- 4The complete internal source code of the retail operating software
Correct answer
Product metadata such as item identification numbers, prices, or expiry dates
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