Changes

Traditionally, the term '''scanner''' referred to a [[radio]] receiver that moves across a wide range of [[radio]] frequencies and allows audiences to listen to any of the frequencies.  

Traditionally, the term '''scanner''' referred to a [[radio]] receiver that moves across a wide range of radio [[frequency|frequencies]] and allows audiences to listen to any of the frequencies.  

Later the term '''scanner''' became known as a device that automatically reads a document or bar code into an electronic system for transmission or identification.

Later the term '''scanner''' became known as a device that automatically reads a document or [[barcode]] into an electronic system for transmission or identification.

Today, the term refers to a device that scans a text and converts it to a digital image.

Today, the term refers to a device that scans a text and converts it to a digital image.