Radio Shack’s TRS-80: Introduced Aug 3, 1977

1 · David Farquhar · Aug. 4, 2026, 11:35 a.m.
Summary
The blog post discusses the launch of Radio Shack's TRS-80 Model 1 on August 3, 1977, highlighting the initial skepticism from Tandy executives despite designer Steve Leininger's predictions of selling 50,000 units. The eventual overwhelming response saw 250,000 units sold, showcasing the unexpected success of this early personal computer.