This curriculum guide is one of nine such guides developed for an Alberta high school business education program. Its content covers the main subject area or strand of computer processing. Subject to the constraints outlined in the guide, the modules are to be formatted into three- or four-credit courses within each strand. Introductory materials include a business education program philosophy, a list of learning principles applied to business education, a list of program objectives, a schematic overview of a business education high school program, course sequences, guidelines for structuring business education courses, and a business education matrix. These materials specifically for computer processing 10-20-30 follow: an introduction, objectives, and a flowchart of modules. These components are provided for each of the 18 modules: purpose and a chart that correlates topics with learning tasks and teaching notes. Module topics are computer information systems, overview of software, applications (data entry, word processing, business simulations, data base, electronic spread sheet), introductory programming language, fundamentals of input/output, introduction to advanced computer programming techniques, advanced computer programming techniques, extended programming project, introduction to a second programming language, applications in second programming language, extended project in second programming language, graphics, systems analysis and program development, and machine/assembly language. The guide also contains guidelines for student evaluation, lists of basic and recommended learning resources, and a correlation of course content with learning resources. (YLB)