Scanner

Scanner is a tool that can serve to to copy or copy images or text which is then stored in computer memory. From next computer memory, stored in a hard disk or floppy disk. This scanner functions like copy machines, photocopiers difference was the result can be seen on the paper while the scanner results can be displayed via the monitor in advance so we can make improvements or modifications and can then be stored back in the form of text files or image files. In addition there is also an image scanner to scan commonly used to detect the computer answer sheet. Scanners used to scan the computer answer sheet is commonly used IR SCAN to LJK (Computer Answer Sheet) on the general tests and the National Examination. Scan type consists of light sensors called Optics, which can recognize the type 2B pencil. Scanners on the market is a scanner to copy an image or photo and usually also equipped with OCR (Optical Character Recognition) to copy or copy an object in text form.

Scanner

When the scanner has been developed with the technology DMR (Digital Mark Reader), with a working system much like the scanner to the computer answer sheet correction, biodata and forms such as forms for school choice. With the DMR does not answer sheets must be answered uses pencils 2 B, but can use other stationery such as pens and markers and can use plain paper.