NAICS Code 334613 refers to Magnetic and Optical Recording Media Manufacturing
A)mouseB)Barcode readerC)Optical Mark readerD) Printer
Optical refers to the eyes or vision. The optical lenses must be ground carefully.
Optical Code is read on the principle of beam reflection. Initially a beam is made to incident onto the optical code. As the beam gets reflected, it is analyzed for the verification of the code.
Optical Bar Reader
A bar code is used to keep up with merchandise that is being sold, returned or what you have in inventory. A barcode is an optical machine-readable representation of data relating to the object to which it is attached.
A bar code is a type of mark which is encoded within a computer database to result into a specific commodity. When the computer reads the bar code through an optical mark recognizer(OMR) then the data of that particular commodity is highlighted.Once it is sold the computer just minuses the amount of barcodes left by one.
Optical character reader The device that electronically sorts mails by zip code is the Optical character reader.
OCDMA: Its nothing but Optical code division multiple access or Orthogonal code divsion multiple access..
The "Bar" refers to attornies, in general, the "Bench" refers to members of the judiciary, in general..
bar code, Universal Product Code (code consisting of a series of vertical bars of variable width that are scanned by a laser; printed on consumer product packages to identify the item for a computer that provides the price and registers inventory information)
1-Bar-code readers 2-Magnetic stripe cards 3-Smart cards 4-Magnetic Ink Character Recognition (MICR) 5-Optical Character recognition (OCR) 6-Optical Mark recognition (OMR)