Levels of abstraction
Mark Guzdial, Judy Robertson · Communications of the ACM · 2012
The Communications Web site, http://cacm.acm.org, features more than a dozen bloggers in the BLOG@CACM community. In each issue of Communications , we'll publish selected posts or excerpts. twitter Follow us on Twitter at http://twitter.com/blogCACM http://cacm.acm.org/blogs/blog-cacm Mark Guzdial writes about the need for programming languages to support multimedia at all levels. Judy Robertson shares insights about 12-year-old students' lack of understanding about computer science.