Computer memory is used to store data and information in bits. Various types include RAM, ROM, secondary memory, etc. To learn in detail read this blog.
WIKINDX is a free bibliographic and quotations/notes management and article authoring system designed either for single use (on a variety of operating sytems) or multi-user collaborative use across the internet.
R. Pan, Z. Ding, Y. Yu, и Y. Peng. Proceedings of the 4th International Semantic Web Conference (ISWC-2004), том 3729 из LNCS, стр. 563--577. Berline (Germany), Springer-Verlag, (2004)