http://tags.library.upenn.edu/tag/encyclopedias+computer_science PennTags Feed http://tags.library.upenn.edu/makerecord/voyager/268 http://tags.library.upenn.edu/makerecord/voyager/268 At over 2,000 pages, this volume provides a good introduction to computer hardware, software, systems, information and data, mathematics of computing, theory of computation, methodologies, applications, and the history of computing.