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Online public access catalog. The online public access catalog ( OPAC ), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously used in libraries.
The Online Books Page lists over 2 million books and has several features, such as A Celebration of Women Writers and Banned Books Online. The Online Books Page was the second substantial effort to catalog online texts, but the first to do so with the rigors required by library science. It first appeared on the Web in the summer of 1993.
For the Class of 2025 (enrolled fall 2021), UNC-Chapel Hill received 53,776 applications and accepted 10,347 (19.2%). Of those accepted, 4,689 enrolled, a yield rate (the percentage of accepted students who choose to attend the university) of 45.3%. UNC-Chapel Hill's freshman retention rate is 96.5%, with 91.9% going on to graduate within six ...
MIT OpenCourseWare. MIT OpenCourseWare ( MIT OCW) is an initiative of the Massachusetts Institute of Technology (MIT) to publish all of the educational materials from its undergraduate - and graduate-level courses online, freely and openly available to anyone, anywhere. The project was announced on April 4, 2001, [1] and uses Creative Commons ...
Popular majors for undergraduates in 2018 included Business Administration (Management and Operations) at 18.04%, Psychology (General) at 11.29%, Sociology at 8.01%. While popular majors for graduates were Education, General at 24.22%, Public Administration at 11.18%, and Registered Nursing, Nursing Administration, Nursing Research and Clinical Nursing at 10.31%
A union catalog is a combined library catalog describing the collections of a number of libraries. Union catalogs have been created in a range of media, including book format, microform, cards and more recently, networked electronic databases. Print union catalogs are typically arranged by title, author or subject (often employing a controlled ...
Caldwell catalogue. Montage of Caldwell Catalogue objects. The Caldwell catalogue is an astronomical catalogue of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers. The list was compiled by Patrick Moore as a complement to the Messier catalogue. [1]
Sharpless catalog. The Sharpless catalog is a list of 313 H II regions (emission nebulae) intended to be comprehensive north of declination −27°. (It does include some nebulae south of that declination as well.) The first edition was published in 1953 with 142 objects (Sh1), and the second and final version was published by US astronomer ...