The correct answer is: B. Optical character recognition
Optical character recognition (OCR) is the process of converting images of text into machine-readable text. OCR is used to digitize documents, such as books, magazines, newspapers, and business documents. It is also used to extract text from images, such as photos and screenshots.
A. Outsized character reader is incorrect. OCR does not read oversized characters.
C. Operational character reader is incorrect. OCR is not an operational character reader.
D. Only character reader is incorrect. OCR does not only read characters. It can also read numbers and symbols.
E. None of the above is incorrect. OCR is a real technology that is used in many different applications.