Dots Per Inch

Dots per inch (DPI) is a measure of image printing resolution. In printing, DPI refers to the output.. read more>>

Bistable Devices

A bi-stable device is a device that is like a switch because it can be in only two.. read more>>

Optical Character Recognition

Optical character recognition (OCR) is a technology used to overcome the drawbacks of a simple scanner. When any.. read more>>

Image Scanner

Image scanner or optical scanner is a type of scanner that generates a digital representation of an image.. read more>>


A scanner is a hardware device or a software or combination of both used for examining, reading, searching.. read more>>


Bar-codes are used for automatic identification and data collection. A barcode sticker contains representation of data relating to.. read more>>

Magnetic Ink Character Recognition

Magnetic ink character recognition (MICR) is a character recognition system that uses special ink and characters. MICR technology.. read more>>

Barcode Reader

Bar-code readers, price scanner, point-of-sale (POS) scanner or barcode scanners are generally found in supermarkets and large departmental.. read more>>


Pixels or pels (picture elements) in digital imaging are small little dots that make up the images. Pixel.. read more>>


The shell or command shell is a software program that provides direct communication between the user and the.. read more>>