The TRS-80
Micro Computer System (TRS-80, colloquially known as the "Trash-80",
later renamed the TRS-80 Model I to distinguish it from its successors)
is a ...
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The Radio Shack TRS-80 Microcomputing System (catalog number 26-1001), later known as the TRS-80 Model I, was introduced by Radio Shack on August 3, 1977.
TRS-80 Model 1 Computer With Monitor And Keyboard With Manual WORKING. $599.00. or Best ...
store rating (3K)$26 to $78
Things to know
Uses. What was the TRS-80 used for?
Date of introduction. when did the trs 80 come out
Screen resolution. screen resolution of trs-80
Original Price. TRS-80 original price
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.
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13:01
45 Years Online: How My First TRS-80 Changed Everything
220+ views · 1 month ago
Joel Comm · YouTube
Internet pioneer & author
Dec 7, 2025 — The Model
I began with a $599 Level I System with 4K RAM, monitor, and cassette,
with all cables and adapters ready to go (except that it took 3 ...
On Wednesday, August 3, 1977, at a press conference at Manhattan's Warwick Hotel, Tandy released the TRS-80, with a retail price of $599.95.
Aug 29, 2024 — My TRS-80 Model 1, Expansion Interface, 48K, two 5.25" disk drives, cassette....running Sargon II [1979] at the moment.
May 8, 2025 — Designed from the ground up to be as cheap as possible, the original (Model I) TRS-80 cut all corners management could get away with.
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TRS-80
Computer
The
TRS-80 Micro Computer System is a desktop microcomputer developed by
American company Tandy Corporation and sold through their Radio Shack
stores. Launched in 1977, it is one of the earliest mass-produced and
mass-marketed retail home computers.
Source:Wikipedia
Date introduced: 1977
Manufacturer: Tandy Corporation
CPU: Zilog Z80 @ 1.774 MHz
Discontinued: January 1981; 44 years ago
Introductory price: US$599.95 (equivalent to $3,110 in 2024)
Memory: 4–48 KB
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