Image scanner and Input device

Image scanner noun - An electronic device that generates a digital representation of an image for data input to a computer.

Input device and image scanner are semantically related. In some cases you can use "Input device" instead a noun phrase "Image scanner".

Input device noun - A device that can be used to insert data into a computer or other computational device.

Image scanner and input device are semantically related. Sometimes you can replace phrase "Image scanner" with "Input device", this phrases are similar.