TRS-80 - Wikipedia
网页The TRS-80 Micro Computer System (TRS-80, later renamed the Model I to distinguish it from successors) is a desktop microcomputer launched in 1977 and sold by Tandy Corporation through their Radio Shack stores.
The TRS-80 Model I
网页The TRS-80 Model I had very impressive specifications for a $399.95 computer in 1977: a Zilog Z80 processor running at 1.77 MHz; a monochrome, uppercase-only text display, with either 64 columns by 16 rows or 32 columns by 16 rows; 128 by 48 low-resolution graphics; cassette storage capable of either 250-baud (in Level I) and 500-baud (in Level II)
TRS-80 Computers: TRS-80 Model I – Ira Goldklang's TRS-80 …
网页On display at over 7000 Radio Shack Locations, TRS-80 Model I is a microcomputer you can see and try before you buy. It’s a proven system, used by business people, professionals, and “just plain folks” everywhere for accounting, education, lab work, budget management, word processing – even games at home.
Radio Shack TRS-80 Model 1 Microcomputer - National Museum …
网页2014年9月1日 · In the summer of 1977, Radio Shack introduced the TRS-80 for $599. This offering included a BASIC language interpreter, four kilobytes of RAM, a Zilog Z80 processor at 1.77 megahertz, a twelve-inch video monitor, a cassette recorder, a power supply, and a cassette tape containing the games Blackjack and Backgammon.
The TRS-80 Home Page - Model 1 Internals - ClassicCMP
网页Model 1 Overview. The Model 1, in it's Level II BASIC configuration, consists of a Z-80 processor running at 1.77 MHz, 4 to 48K of RAM (32K of that being housed in the optional Expansion Interface), and 12K of ROM. The 16 line by 64 character video is memory mapped from 3C00H to 3FFFH.
Radio Shack's First PC: 45 Years of TRS-80 - How-To Geek
网页2022年8月3日 · 45 years ago, Radio Shack released the TRS-80 Micro Computer System, a 1977 personal computer that launched an era of low-cost PCs along with computers from Apple and Commodore. Here's what was special about it.
Radio Shack TRS-80 Model 1 Microcomputer - Smithsonian Institution
网页In the summer of 1977, Radio Shack introduced the TRS-80 for $599. This offering included a BASIC language interpreter, four kilobytes of RAM, a Zilog Z80 processor at 1.77 megahertz, a twelve-inch video monitor, a cassette recorder, a power supply, and a cassette tape containing the games Blackjack and Backgammon.
TRS-80 Microcomputer System Model I (26-1104) - Computing …
网页The TRS-80 Model I, or just TRS-80 Microcomputer System as shown on the computer itself, was introduced in August 1977. It was one of the first low cost microcomputers available to the general public in large numbers, listing for $600 for a 4K machine.
TRS-80: Everything You Need to Know About This Pioneering …
网页2023年11月8日 · When the TRS-80 Model I debuted in August 1977, it revolutionized the home computer market with its consumer-friendly price: just $399 for the base system, monitor included! Compare this to machines costing well over $1000 like the Apple II and Commodore PET.
The Consumer Electronics Hall of Fame: Tandy/RadioShack TRS-80 Model 1
网页2018年12月6日 · Tandy/RadioShack (TRS) built its TRS-80 Model 1 around Zilog’s 1.77-megahertz Z80 microprocessor (hence the “80” in TRS-80). The Z80 had been introduced in 1976, and at US $25 a pop it was ...