Answer. It is a device designed to read answers placed on a form or document. We always called them Scan tron machines, because in school that is what the ... wiki.answers.com |
It speeds up the process of reading marks on a piece of paper much faster than a human and stores it directly onto a database. It speeds up the process of ... wiki.answers.com |
Advantages:1. ... The user can only make marks and cannot write any information . ... Document for mark reader are complicated to design.2.input of the data to ... wiki.answers.com |