Description of Scanner

Scanner is a tool that can serve to copy or copy images or text that is then stored in the computer's memory. From memory the next computer, stored in a hard disk or floppy disk. Scanner function is similar to a copy machine, photocopiers difference is that the results can be seen in 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 are used to scan the computer answer sheet SCAN IR is used to LJK (Computer Answer Sheet) in general and the National Examination replicates. Scan this type consists of light called optical sensor that can recognize the type 2B pencil. Scanner on the market is a scanner to copy a picture or photo and usually also equipped with OCR (Optical Character Recognition) to copy or copy objects in text form.

Source Indonesia :

http://belajar-komputer-mu.com/pengertian-hardware-perangkat-keras-komputer/