mark sensing

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mark sensing

[′märk ‚sens·iŋ]
(computer science)
In character recognition, that form of mark detection which depends on the conductivity of graphite pencil marks to locate and convey intended information; the information appears as special marks on sites (windows) within the document coding area.

mark sensing

Detecting pencil lines in predefined boxes on paper forms. The form is designed with boundaries for each pencil stroke that represents a yes, no, single digit or letter, providing all possible answers to each question. A mark sense reader detects the marks and converts them into digital code.