Chip and PIN reader, It is the device that has a slot to placed card or ship and pin is entered u, QR scanner, use to advertising products and giving automatic success., Magnetic stripe reader use to read information on the magnetic stripe example the back of credit card., Radio frequency identification readers, use in livestock tracking, admission passes and in libraries., Optical mark reader, use to read questionaries., Optical character reader, use in processing o passport and identity cards and automatic number plate recognition., Barcode reader, use in supermarket and convenience store and in libraries.,

DDE device

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