Optical Mark Reader(OMR) – Input Unit/Devices

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Optical Mark Reader- Computer Fundamental- mLand India Technologies

Optical Mark Reading (OMR) is a device or technology with a method of entering data into a computer system. Optical Mark Readers reads pencil or pen marks made in pre-defined positions on paper forms as responses to questions or tick list prompts.

How Does A Optical Mark Reader Work?

With Optical Mark Reader(OMR) it’s 48 sensors that work together to make the scanning of OMR sheets possible. Once the scanning is complete the information is converted to a computer data file.

What Are The Advantages Of A Optical Mark Reader (OMR)?

  1. A fast method of inputting large amounts of data – up to 10,000 forms can be read per hour depending on the quality of the machine used.
  2. Only one computer needed to collect and process the data
  3. OMR is much more accurate than data being keyed in by a person

What Are The Disadvantages Of A Optical Mark Reader (OMR)?

  1. If the marks don’t fill the space completely, or aren’t in a dark enough pencil, they may not be read correctly.
  2. Only suitable for recording one out of a selection of answers, not suitable for text input.
  3. The OMR reader needs the answers to be on the prepared forms which will all be identical to one another. You can’t just pick up a blank sheet of paper and mark your answers on it.

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