1
What is a Scanner?
A scanner is an input device that converts physical documents, photos, or text into digital format. It takes pictures from paper and creates computer files that can be stored, edited, and shared.
2
How Scanners Work
Scanners use light sensors and OCR technology (Optical Character Recognition) to capture images. The scanner light moves across the document, and sensors convert the light reflections into digital data.
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• A scanner is an input device - it sends data to the computer
• It converts physical documents into digital format
• Uses OCR technology to recognize text
• Creates soft copies that can be stored on computers
• Most common type is the flatbed scanner