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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.
How does bar code scanner worke?
A barcode scanner works by emitting light onto the barcode, which reflects back and is captured by a light sensor. The scanner then translates the pattern of light and dark bars into a numerical code that corresponds to the item being scanned. This code is then sent to a database to retrieve information about the product.
How do you speed up vba using space bar?
Pressing the space bar can't directly speed up VBA code execution. However, you can enhance the performance of your VBA code by optimizing algorithms, minimizing unnecessary calculations, avoiding nested loops, and using efficient data structures. Use the space bar to insert spaces between your code for better readability, but to truly speed up your VBA code, focus on optimizing the logic and structure of your code.
How does the fingerprint reader work?
A fingerprint reader captures an image of a person's fingerprint and converts the unique patterns into a digital code. When a person places their finger on the reader, it compares the captured fingerprint with stored fingerprint patterns to verify identity. If the patterns match, access is granted.
What is the working principle of a 2d bar code?
A 2D bar code works by encoding data in both the horizontal and vertical dimensions, allowing for more information to be stored compared to traditional 1D bar codes. It uses patterns of black and white squares to represent the encoded data, which can be read by specialized scanners or mobile devices with cameras. This enables quick and efficient data capture for various applications such as inventory management, ticketing, and payment processing.
Is bar code reader input or output?
Input - the reader is reading the bar code and putting the information into the computer
Who is the inventor of bar code reader?
your head
How does one install a bar code reader into a Android?
Different bar code readers can be installed using Google's Play Store. The store offers a wide range of bar code scanners such as "Bar code Scanner from ZXing Team or Google's own implementation of a qr/bar code reader : Google Goggles.
What code reader works on a 86 Chevy s10?
A code reader that will work on the OBD I system.
What is the full form of BCR?
bar code reader
Shopping bar code reader?
There's an app for that
What is the name of the hand held bar code reader?
There are several companies that make hand held bar code readers. You can even get an app for your smart phone that will read bar codes. A major manufacturer of bar code reader is Motorola (they bought "Symbol" the leading bar code reader company a while back). Look at: http://www.motorola.com/Business/US-EN/Business+Product+and+Services/Bar+Code+Scanning
Which is cheaper biometric or bar code reader?
Barcode Reader Because im guessing my answer
Advantages of bar-code reader?
There are numerous advantages to the use of a bar code. The primary two are speed and accuracy. A bar code reader can decipher the code in just thousandths of a second and transmit it with near perfect accuracy - much better than humans can.
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.
What input device could tell you the price of a bar of chocolate?
A)mouseB)Barcode readerC)Optical Mark readerD) Printer
What is the purpose of bar code reader?
My name is randy what is your name
