Optical Scanners

Three common types of optical scanners are flat-bed scanner, Three applications of optical scanner: include a hardcopy, photograph or other visual image in a document, input existing text into a computer and use photo-editing software to crop an image and otherwise alter it so that it is what we want.

The Open University of Hong Kong (1994) 'Working systems' in CE150 Foundations in Microcomputing, Hong Kong: OUHK.

The Open University of Hong Kong (1998) 'Data communication' in CE150 Foundations in Microcomputing, Hong Kong: OUHK.