Academic Search Premier provides general and scholarly articles on a broad range of subjects. Since it includes more general sources, as well as scholarly, it is a good place to go for beginning students.
The Association for Computing Machinery is a society dedicated to advancing computing and the computing profession. The ACM Digital Library contains more than a quarter-million works in computing (many in full text) from all ACM journals, magazines, proceedings, books, technical reports, as well as works from major publishers in the discipline. On-Campus use only.
ScienceDirect offers authoritative, full-text journal articles and book chapters (including open access content) from scientific, technical, and health publications.
"Open access to 758,241 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics;" owned and operated by Cornell University
"CiteSeerx is an evolving scientific literature digital library and search engine that has focused primarily on the literature in computer and information science."