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.
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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.
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Later the term '''scanner''' became known as a device that automatically reads a document or [[barcode]] into an electronic system for transmission or identification.
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Today, the term refers to a device that scans a text and converts it to a digital image.
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==See also==
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* [[Radio communication technologies]]
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* [[Barcode]]
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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.