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Prior to the use of a bar-code scanner, it was quite common for prices to be printed on little stickers which were then stuck onto products. Aside from that, cashiers can have their own price lists, and can just key in the price of a product even if there is nothing on the product which says what the price is or which allows for computerized pricing.
What else can I help you with?
What is a metrologic bar code scanner used for?
A Metrologic barcode scanner is a hand held device with holographic technology used to scan the barcodes of items. The scanner can be securred in a static position or used remotely as a hand held device.
What was used before film was invented?
Glass was used before film was invented.
What is the name of the bar code reader that is a gun-type reader than can be handheld and is often used at a checkout counter?
A ccd scanner (Charge-Couple Device scanner is a gun-type scanner often used at check-out counters), and a laser scanner (most expensive and best type).
Is a barcode scanner a input or output?
A bar code scanner is an input device. While it does contain a laser, the laser is used to read the data, not to communicate anything to the user. The bar code scanner reads the UPC codes into the cash register or point of sale system.
Name the input device used to sense and read thick and thin black strips present on the items usually sold at supermarkets?
UPC (United Product Code) scanner, or simply bar code scanner
When was the digital police scanner first invented?
The first digital police scanner was invented in the 1970's. Unlike earlier analog version (which were basically AM Radios, as police just used to broadcast using regular radio waves), this scanner was the first to allow you to punch in a frequency to search for the police frequency.
What should I know before buying a MRI scanner?
Before buying a MRI scanner you will want to know how much you have to spend, what features you are desiring and which models have those features, what will the scanner be used for (extremities, head, full body), what are the dimensions of the room it will be used in and what are the reviews/ratings/reliability of the various brands/models.
Are ocr and micr both examples of bar coding?
No. OCR is used to scan text. MICR scans magnetic ink. A bar-code scanner is a different kind of scanner.
When were bar code scanners invented?
The answer depends on how exactly you define "scanner". The pantelegraph,developed by Giovanni Caselli and used commercially in the 1860s, is generally considered first such device for practical use. It worked a bit like a FAX machine, using electromagnetic components to scan and reproduce images. However, it only transmitted what a person was writing or drawing.The credit for the first image scanning and transmission device probably goes to the Belinograph in 1913; it eventually formed the basis for AT&T's "Wirephoto" service used in the 20's and 30's.
Is a barcode scanner an input or output device?
A bar code scanner is an input device. While it does contain a laser, the laser is used to read the data, not to communicate anything to the user. The bar code scanner reads the UPC codes into the cash register or point of sale system.
Is scanner a storage device?
No, a bar code scanner is not a storage device. The scanner is a peripheral device used to read the bar code on a product, and an associated computer can use that information to identify that product and provide pricing and other information about it. That identifying information and other data is held on a storage device associated with the computer.
What does a bar code scanner do?
Barcode scanners are devices used to Scan barcodes on Products in Big retail Shops.
