Teaching Rajasthan Librarian Grade-II 2024 Mock Test Library Science Knowledge Organization & Information Processing Indexing & Abstracting Techniques
Which of the following are the main role operators of PRECIS?
(i) Key System
(ii) Action
(iii) Performer of action
(iv) Form of Document
1
(i), (ii) and (iv)
2
(i), (ii) and (iii)
3
(ii) and (iii)
4
(i), (iii) and (iv)
5
Question Not Attempted