An optical input device that interprets pencil mark on paper media is -

Magnetic audio tape is used to capture speech and music and video.
An optical scan voting system is an electronic voting system and uses an optical scanner to read marked paper ballots and tally the results.
A computer punched card reader or just computer card reader is a computer input device used to read computer programs.
Optical Mark reading (OMR) is 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.