While many students nationwide are proficient in using the Internet and social networking, interest in computer science courses is waning -- a concern for educators who say those skills will be necessary in the job market. The number of schools offering introductory or advanced computer science courses has declined since 2005, according to a survey by the Computer Science Teachers Association. "Their knowledge of technology is very broad but very shallow," said Chris Stephenson, executive director of the association, referring to students.

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