Quote to the reader to confirm the direction and position of the answer sheet. The information bits occupying most positions are for users to fill in the options they choose.
One is to identify the AB volume information on the bar code of the admission ticket number by infrared rays;
The second is to identify the AB volume information filled in by candidates on the answer sheet by infrared rays;
The third is to check the logic according to the established admission ticket number and the seat mode of the examination room through software.
Extended data:
Filling requirements
When filling, draw a line segment with a length of 3mm and a width of 1mm on the corresponding information bit. Card application requires accuracy, depth, fullness, uniformity and cleanliness. "accurate" means that the position of information bits must be drawn accurately, and there can be no crossing and dislocation. "Deep" means that the chroma of the information bit should be painted deep, but the information card should not be cut. "Full" means that the small rectangular box of information bits should be filled, and it cannot exceed the box and cannot fill the box.
"Uniform" means that the colors of all information bits on the drawn information card should be basically the same, and the same information bit should also be consistent. "Clean" means that the information card must be kept clean, and you must never drop ink, dirt or scribble in non-information places with a filling pen. If it is filled in with a pencil, the mistake must be wiped clean with a plastic eraser. It is generally recommended to fill in the information card with 2B pencil.
In some areas, the answer sheet of standardized examination is divided into vertical version and horizontal version. In order to prevent cheating, candidates in different columns use different versions of the answer sheet, so pay attention to whether the answer sheet is horizontal or vertical.