Which of the following is a photoelectric scanner that translates the barcode symbols into digital code?
Correct answer: B. Barcode reader
- A. MICR (Magnetic Ink Character Recognition
- B. Barcode reader
- C. OCR (Optical Character Recognition)
- D. OMR (Optical Mark Recognition)
Explanation
Barcode reader is the correct answer. Barcode readers use photoelectric scanners to translate the barcode symbols, which consist of varying widths and spacings of dark and light bars, into a digital code that can be read by a computer.
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Computer fundamentals covers the history and generations of computers, their characteristics, applications and limitations, and the basic data-processing cycle. It includes binary, decimal, octal and hexadecimal number systems, units of storage, input and output devices, memory types, operating systems, and the distinction between raw data and processed information.
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