Optical Character Reader
Optical Characters is a technology that lets you convert different type of documents, such as a scanned printer documents, PDF files or images captured/taken by… Read More »Optical Character Reader
Barcode Readers
What it is A barcode reader or barcode scanner is an electronic device that reads printed barcodes to a computer, by translating optical impulses into… Read More »Barcode Readers
Tracker ball
Max Newiss and Lloyd Thompson A tracker ball is computer cursor control device. The user can roll the ball to navigate around the screen. The… Read More »Tracker ball
Graphics tablet
Uses: An input device consisting of a flat, pressure-sensitive pad which the user draws on or points at with a special stylus, to guide a… Read More »Graphics tablet
Sensors
A sensor is a device that converts a real-world property (e.g. temperature) into data that a computer can process Examples: Sensor What it Detects Temperature… Read More »Sensors
Chip and PIN Readers
PIN Pad What is it? A PIN pad is a device which allows a debit/credit card owner to place their card into the device and… Read More »Chip and PIN Readers