These materials were designed to be used in inservice training to provide special educators (K-12) with an overview of the microcomputer, including both the terms used to describe it and its capabilities to aid instruction. The preface suggests a sequence for the utilization of the module materials. Then, general background information is presented in the introduction, which focuses on the educational impact of computers, a basic definition of a microcomputer, and five major brands of microcomputers commonly used in education. Basic terms helpful in understanding discussions of microcomputers are also defined, and characteristics of good instructional software are summarized. An outline lists module objectives and audience and format for presentation, while a content outline is provided for a slide tape series and microcomputer disk used in the presentation. Notes on four demonstration disks briefly describe examples of varied microcomputer applications, including games and instructional activities for various content areas, and additional examples are listed. Addresses for three software sources and a list of microcomputer contact persons for 15 area education agencies in Iowa conclude the document. (LMM)