Optical mark recognition — (also called Optical Mark Reading and OMR) is the process of capturing human marked data from document forms such as surveys and tests. Contents 1 OMR background 2 OMR software 2.1 Open Source … Wikipedia
Optical character recognition — Optical character recognition, usually abbreviated to OCR, is the mechanical or electronic translation of scanned images of handwritten, typewritten or printed text into machine encoded text. It is widely used to convert books and documents into… … Wikipedia
Optical Carrier transmission rates — are a standardized set of specifications of transmission bandwidth for digital signals that can be carried on Synchronous Optical Networking (SONET) fiber optic networks.[1] Transmission rates are defined by rate of the bitstream of the digital… … Wikipedia
Card marking — is the process of altering playing cards such that the suit, rank or both are only apparent to the person marking the cards (or potentially another conspirator), usually for the purpose of cheating at cards by card sharps. To be effective, the… … Wikipedia
Card-throwing — is the art of throwing standard playing cards. First popularized in the West among stage magicians, the art of throwing cards was called scaling . In 1997, a segment on MTV News:Unfiltered , featuring Jon W and the Fellas from Denver,… … Wikipedia
Optical Carrier — levels describe a range of digital signals that can be carried on SONET fiber optic network.cite web | title = Synchronous Optical Network (SONET) | work = Web ProForums | publisher = International Engineering Consortium | url =… … Wikipedia
Optical disc drive — A CD/DVD ROM Drive A Blu ray (BD RE DL) writer tray in a Sony Vaio E series laptop … Wikipedia
Optical disc packaging — Main article: Optical disc Optical disc packaging is the packaging that accompanies CDs, DVDs, and other formats of optical media. Most packaging is rigid or semi rigid and designed to protect the media from scratches and other types of exposure… … Wikipedia
Optical mouse — A wireless optical mouse An optical computer mouse or optic mouse uses a light emitting diode and photodiodes to detect movement relative to a surface, unlike a mechanical mouse which has a ball which rotates orthogonal shafts which drive chopper … Wikipedia
Card reader — A card reader is a data input device that reads data from a card shaped storage medium. Historically, paper or cardboard punched cards were used throughout the first several decades of the computer industry to store information and write programs … Wikipedia
Optical turnstile — An optical turnstile is a physical security device designed to restrict or control access to a building or secure area. Optical turnstiles are usually a part of an access control system, which also consists of software, card readers, and… … Wikipedia