The Tandy TRS-80, introduced in 1977, was one of the first mass-produced personal computers. It was developed by Tandy Corporation and sold through its RadioShack stores. The TRS-80 featured a Zilog Z80 microprocessor and came with a built-in keyboard and a monochrome display, making it accessible for home users and small businesses. The TRS-80 gained popularity due to its affordability and ease of use. It supported various software applications, including word processing and programming, and had a dedicated user community. Over the years, several models were released, contributing to the early growth of the personal computing market.