Which device is used to convert hard copy documents into digital format?
Explanation:
A scanner is used to convert hard copy documents, images, or printed pages into digital format. Printers produce hard copies from digital files, monitors display output, and speakers produce sound. Scanners are commonly used in offices for digitizing records, certificates, application forms, and official documents. This question tests practical computer awareness. For assistant exams, candidates should know basic input and output devices because they are widely used in administrative and documentation-related office work.
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