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Is americium used in bar code scanners?
Americium is not used in bar code scanners.
What is a data matrix bar code?
A data matrix bar code is used on almost very product which is found in stores. The data matrix bar code is used to identify a product and find the price in a computer system.
Ocr is used in bar code readers?
no
What is a bar code reader used for?
The bar code reader is used to read printed bar codes. It allows an attached computer to identify a product or item on which a bar code it printed and, most importantly, price that item to automate and speed checkout in a store or market.
How are x rays and infrared rays used in bar code scanner?
Bar code scanners use infrared rays to illuminate the bar code, which is then read by a sensor that detects the reflected light. X-rays are not typically used in bar code scanners due to safety concerns related to exposure to radiation. Instead, infrared rays are commonly used as they are safe and effective for reading bar codes.
When was the bar code system first used?
1952
Where would an bar code be used?
For example a library
What information is in a bar code?
A bar code is used to identify a product or item. That's all. Other information associated with that bar code is held on the computer server that is linked to the bar code scanner. That other information could include what the item is, its price, brand, size/weight, and many other particulars. The scanner is able to identify the item, and once the bar code has been used for that, the computer server does the rest.
Can tickets be printed from an email twice and stay valid?
They are valid as all tickets printed will refer to the same bar code. But if 1 ticket is used to enter a venue, the bar code is scanned so all other copies of the same bar code are now deemed used.
Where might you see bar codes used?
Bar codes are used on almost all the products we see in stores. The store uses that bar code to automate and speed checkout.
Was the bar code used in a spase misson if so why?
to fly away.
What had the first bar code?
The first 2D Bar codes where used on Railroad Cars. Check the related link
