Scanner

1. An input device that takes in an optical image and digitises it into an electronic image represented as binary data.

This can be used to create a computerised version of a photo or illustration.

A scanner may be linked to optical character recognition software allowing printed documents to be converted to electronic text without having to type them in at a keyboard.

2. lexical analyser.

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SCANDISK Scan-EDF scanf Scan-In, Scan-Out scan line	Ada aflex Alex Alexis Alpha	scanno scan path scan register SCC SCCS