The Canadian Department of Education developed this manual to provide teachers and administrators with information about the potential use of computers. Part I describes at length the five components of the computer input, output, storage, control, and arithmetic/logic functions) and gives a discussion of computer languages, programing, batch processing, time sharing, and minicomputers. Part II covers a variety of administrative uses for computers. Part III lists the educational uses of computers, including computer-assisted instruction (CAI). A list of references, a 67-item bibliography, and a glossary of computer terms are included. (DS)