A)
Smart card
It is similar to a magnetic strip card but it contains a small RAM chip.
B)
OCR
It is a technique that enables special characters printed in magnetic ink to be read and input rapidly into a computer.
C)
Voice recognition
It interpret speech and carry out the instructions given to them system verbally.
D)
OMR
It is a technique for inputting text into a computer by means of a document reader.
Correct Answer: B
Solution :
Optical character recognition (also optical character reader, OCR) is the mechanical or electronic conversion of images of typed, handwritten or printed text into machine- encoded text, whether from a scanned document, a photo of a document, etc.
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