办公桌上的扫描仪 What is the purpose of the scanner?

A. It is used to scan paper documents. B. It is used to scan electronic documents. C. It is used to scan images. D. It is used to scan audio.

The answer is B. It is used to scan electronic documents.

A scanner is a device that is used to scan and digitize documents, images, and other media. It is often used in offices, schools, and other businesses where paper documents are still used. Scanners can be used to scan a variety of media, including paper documents, photographs, and presentations.