The Pc & Networking Expertise program produces graduates ready for positions as technicians and community directors within a wide range of industrial and public settings. Performing far better than the corporate projections of 3,000 models for the first 12 months, within the first month after its release Tandy Radio Shack´s first desktop laptop — the TRS-80 — sells 10,000 units. The TRS-80 was priced at $599.95, included a Z80 microprocessor, video show, 4 KB of reminiscence, a built-in FUNDAMENTAL programming language interpreter, cassette storage, and straightforward-to-perceive manuals that assumed no prior information on the a part of the consumer. The TRS-80 proved fashionable with colleges, in addition to for house use. The TRS-80 line of computer systems later included coloration, transportable, and handheld variations before being discontinued within the early 1990s.