This text investigates the operational capabilities and programming potential of the TRS-80 Model 100 portable computer. Marvin C. Mallon provides a technical overview intended to assist early adopters and hobbyists in navigating the hardware architecture, built-in software suite, and expansion possibilities of this specific 1980s mobile computing device.

Experts categorize this as a period-specific technical manual that serves as a primary reference for vintage computing enthusiasts. Readers frequently note the practical, hands-on approach to early portable computing that defines the CBS Computer Books series.