Scanner
Definition: A scanner is a device which captures an image of a page and enters it into the computers memory so it can then be manipulated as required. In conjunction with OCR software the text in the image can be extracted and read back using a screen reader.
Category: technology
Credit: RNIB
Source: http://www.rnib.org.uk/livingwithsightloss/computersphones/pages/glossary.aspx