Q. Conisder the following statements:1. Smart Card is a plastic card with an embedded microchip.2. Digital technology is primarily used with new physical communication medium such as satellite and fibre optics transmission.3. A digital library is a collection of documents in an organized electronic form available on the Internet only.Which of the statements given above is/are correct ? 

1. 3 only
2. 1 and 2
3. 2 and 3
4. 1,2 and 3