Teaching Rajasthan Librarian Grade-II 2024 Mock Test Library Science Information Sources & Services Reference Service
According to Berube (2003), digital reference service comprises of four elements.
(A).The User of the service on site or remote users
(B).The interface, in the form of an e-mail, a web form, a video conference, chats etc
(C). Augemented and virtual reality
(D).A librarian or information professional
(E). Information resources, print or electronic
1
A, B, C and D
2
B, C , D and E
3
A, B, D and E
4
A, C, D and E