The correct answer is: A. Optical character reader (OCR).
An optical character reader (OCR) is a scanner that can read text printed on paper and convert it into a digital format that can be processed by a computer. OCR is used in a variety of applications, including document scanning, data entry, and machine translation.
OCR works by shining a light on the text and then using a sensor to detect the reflected light. The sensor converts the light into a digital image, which is then processed by a computer to identify the characters.
OCR is a very accurate technology, and it can be used to read a variety of fonts and sizes of text. However, it is important to note that OCR is not perfect, and it can sometimes make mistakes.
Here is a brief explanation of each option:
- A. Optical character reader (OCR): An OCR is a scanner that can read text printed on paper and convert it into a digital format that can be processed by a computer.
- B. Kurzweil Data Entry Machine (KDEM): The Kurzweil Data Entry Machine (KDEM) is a machine that was developed in the 1970s to help people with reading disabilities. The KDEM uses a camera to scan text and then converts it into speech.
- C. MICR: MICR stands for Magnetic Ink Character Recognition. MICR is a technology that is used to read text that is printed with magnetic ink. MICR is used in a variety of applications, including check processing and bank statement processing.
- D. Laser scanner: A laser scanner is a device that uses a laser to create a digital image of an object. Laser scanners are used in a variety of applications, including document scanning, 3D scanning, and barcode scanning.
- E. None of the above: None of the above options are correct. The correct answer is A. Optical character reader (OCR).