7. OPAC means.. a. On Public Access Counter b. Online Public Access Catalog c. Out Person Account Center d. On Print Access Center 8. A typical manual card catalog has the following information of its sources a. Author, Title, Subject b. Author, Title, Pages c. Subject, Publication Date, Author d. Author, Title, Publishing Company 9. WWW stands for... a. World Wide Writer b. World Wide Web c. World Wide Window​