How can hardcopy charts or maps be converted into digital data?

The correct answer, which is ARC Digitized Raster Graphics, refers to a specific software system designed for the purpose of converting hardcopy maps or charts into a digital format. This system allows for the digitization of raster data, transforming scanned images of physical maps into data that can be manipulated and analyzed in a digital environment.

Using ARC Digitized Raster Graphics involves processes that ensure the accurate representation of the original hardcopy formats, allowing for precise data extraction and layering. This means that geographic information can be converted into a usable format for geographic information systems (GIS) and other digital applications.

While the other options offer relevant methods or tools that are involved in the broader scope of data conversion, they do not specifically address the complete process and functionality that ARC Digitized Raster Graphics provides for that conversion from hardcopy to digital. For example, vectorization software programs focus on converting raster images into vector graphics, which is a different process altogether.