Computer studies made simple : Mark and Character recognition devices:

Mark and Character recognition devices:

These devices are used to read and interpret information written on documents in a specific codes

After scanning / reading this information,these devices convert them into a form that canbe processed by the computer.

Usually these deviced read information that are meant for business documents such as banks cheques,scoring sheets of international tests or departmental and shopping stores.

Optical Mark Recognition / OMR :

This device scans data with a laser and converts it into digital signals.

The digital signals are then sent to computer for further processing.

These are used to process answer sheets of multiple choice or single best answer exams such as GRE,MRCP and PLAB.

Magnetic Ink Character Recognition Reader / MICR:

This device reads text printed with magnetized ink.

It is used by banks for processing of cheques.

The MICR characters are written at left lower edge of the cheque.

These characters represent cheque number,bank sort code,routing number and account number.

Optical Character Recognitions/OCR

This device scans printed characters and converts them into digital codes.

Their applications includes in price tags of shopping stores and utility bills.