This collection of eight papers is designed to assist educators in becoming computer literate and in identifying and developing competencies necessary to implement microcomputers in K-12 classrooms. For the novice, it contains an overview of computers, a discussion of their use in daily life and in education, and coverage of important terms and features of microcomputer hardware and software. Examples are given of computer languages and of ready-to-use programs in science and mathematics. References are listed for individual chapters, and appendices contain sources of further information. For educators who must make decisions concerning hardware and software acquisitions, procedures are identified and explained. A systematic procedure for developing modules is detailed for use in creating programs. The papers include "Microcomputers and Teacher Education," by D. Zalewski; "Computers in Society and Education," by G. Bitter; "Microcomputer History and Developments," by J. Russell; "Microcomputers in Education," by W. Kraus; "Selecting Microcomputer Systems: A Process Model," by P. Barrette; "Computer Software," by H. Kepner; "Developing Materials for Microcomputers," by M. Agin and C. Simonsen; and "Programs from K-12 Science and Mathematics," by G. Marchionini and J. Camp. Appendices provide definitions of terms and clarifications, software information, and a software evaluation checklist. (LMM)