How does a digital library differ from a traditional library?

A digital library is characterized by its focus on providing electronic resources such as e-books, online articles, and databases, making information more accessible to users through technology. This stands in contrast to a traditional library, which primarily offers physical materials like printed books, magazines, and newspapers. The unique advantage of a digital library is that it often allows for access from anywhere with an internet connection, facilitating a more flexible and user-friendly experience.

The other choices reflect misconceptions about libraries. For instance, physical books are a hallmark of traditional libraries rather than digital ones, and digital libraries are typically accessible 24/7 rather than restricted to specific hours. Additionally, while many traditional libraries have paid staff, digital libraries can operate under various administrative structures, and the presence of volunteers is not a defining feature of digital resources. Thus, the distinction between providing electronic versus physical materials is the fundamental difference that makes option B the correct answer.