Consider the following statements 1. A smart sheet is a plastic card with a micro-chip embedded in it. 2. Digital technology is mainly used with newer physical communication mediums, such as satellite and fiber optics transmission. 3. Digital library is a collection of documents in an organized electronic form, which is available only on the Internet.

• A. only 3
• B. 1 and 3
• C. 2 and 3
• D. all these