NFC Technology :A close-distance protocol used by smartphones for reading data from items like credit cards or tickets NFC enables contactless data transfer, and etc
Optical Scanners : called a scanner, is a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process.
Optical Readers utilizing alight
source to read characters, marks, and codes,
converting them into digital data for computer processing.
Bar Code Readers : A
bar code reader, also called a bar code scanner, is an optical reader that uses laser beams to read bar codes.
QR Codes : (quick response code)
is D bar code , in both a vertical and horizontal direction in a square-shaped graphic that represents a web address or other content,
RFID Readers : RFID (radio frequency identification) is a technology that uses radio signals to
communicate with a tag placedMagstripe Readers : A magstripe reader, short for
magnetic stripe card reader, reads the magnetic stripe on the back of credit cards,
