What is the different materials both reading and non-reading materials that can be found in the library??

Question

1. the different materials both reading and non-reading materials that can be found in the library...

2. the two different classification systems that the library uses in arranging books and materials and their meaning...

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Answer 1

1. Aside from reading materials, libraries also offer videos, audio-books, computers for patron use.

2.  There are two classification systems:  1) the Library of Congress number classification system (used in universities and research libraries), and 2) the Dewey Decimal System, which is often used in elementary schools (sometimes high schools also), and in some public libraries.  Both systems have their own classification for arranging books on given subjects, so that all similar books are grouped together.

Answer 2

i think that the two systems are the Dewey Decimal System Classification and the Library of Congress Classification... non-fiction is classified by subject by the Dewey Decimal System

Fiction is classified by alphabetizing the author's last name.

The difference between the two is one is by subject and the other is by author. Additionally, the Dewey system is limited to three digits before the decimal and so all of its specificity is after the decimal. The LC system digits do not show greater specificity the longer they get, they just add more stuff to the whole of the subject. For aircraft, helicopters were invented after airplanes, which were invented after zeppellins, which were invented after balloons, so in order of invention Library of Congress would be: TL 618, TL 657, TL 670.3, and TL 716.

Dewey has all aircraft under 629.133, so in order of invention it would be: 629.13322, 629.13324, 629.13334 and 629.133352.

LC provides a lot of room between TL 618 and TL 657 in case something in between balloons and zeppelins gets invented. Dewey has very, very few empty numbers. I can't even think of one example.

Libraries using Dewey can add country codes and career codes afterwards, so all biographies of helicopter pilots from Brazil could be placed together and they would be separate from pilots from Bulgaria and helicopter designers from Brazil.

LC is limited to prior agreements so catalogers don't get to be fancy like that. What they might do is to cutter by country and that would be it, (TL 716 U53)or they could select the LC number for helicopter design and then cutter by country and then cutter by author and add the year(TL 716.5 B24 W314 1994) The best thing about that is that there will be only one book with that precise number and the numbers are short enough to print on the spine.

Dewey might have the same book in 629.133352028782 W. There might be five books under that same number, and the number is so long that it can't be printed on the spine. It has to be put on the front cover and you have to pull it off the shelf to read it. Dewey catagorizes books within 10 areas, with "addresses" of numbers ranging 00 to 999. Contrary to popular believe there are no non-fiction or fiction categories. All fiction would fall within the 800s (literature). Because the 800s would be HUGE. For that reason alone the majority of fiction is placed in a seperate area.

The Library of Congress system has 26 categories, each beginning with a letter of the alphabet.