A condo is a single, individually-owned housing unit in a multi-unit building. The condominium owner holds sole title to the unit, but owns land and common property (elevators, halls, roof, stairs, etc.) A cottage is a small simple house, typically one near a lake or beach.
The final three of the international 10 best schools for computer science on US News and World Report's that are located in the US are #7 California Institute of Technology (Pasadena, California), #8 University of California, Los Angeles, and #9 Carnegie Mellon University in Pittsburgh, Pennsylvania.
The top computer science schools in the US are ranked highly due to a number of factors, including: 1) quality of education, 2) number of active publications and research projects, 3) job placement rate of graduates, 4) level of funding available.