The author discusses the method of preparing a television set or a projector to enable students in all parts of the classroom to see what is on the teacher's computer screen. By using this equipment, teachers can help students see the steps they must do. (CH)

Emphasis on interfacing -- the various processes for passing information into or out of computers -- is suggested. Why the Texas Instruments microcomputer is plausible for this is noted, followed by specific interfacing suggestions, including programs for a timer and the assembly language subroutine. (MNS)