To explain:
The reason of variation in international growth rates.
Introduction: Innovation is the introduction of a new method of production, new technology adoption and changes in existing method of production. It implies increase in productivity, efficiency, reduction in the cost of production and ultimately increases the growth rate of country.
A Bar-code scanner or reader is an electronic device that record and translate barcodes from the recognized image into alphanumeric digits. These are used most popularly in retail shops, various industries such as manufacturing. Medicines, transportation, travel etc. There are various types of barcode scanners like pen-type scanners, laser scanners, LED scanners, camera-based scanners, smart phones etc.
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