TRS-80 facts for kids
Quick facts for kids 
TRS-80 Model I with Expansion Interface
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| Type | Home computer |
|---|---|
| Release date | August 3, 1977 |
| Discontinued | January 1981 |
| CPU | Zilog Z80 @ 1.78 MHz |
| Memory | 4 KB ~ 48 KB |
The TRS-80 Micro Computer System (often called the TRS-80) was an early home computer. It was first sold in 1977 by a company called Tandy Corporation through their RadioShack stores. This computer was later renamed the Model I to tell it apart from newer versions.
The name TRS-80 comes from "Tandy/RadioShack" and the "Z80 microprocessor" it used. It was one of the first computers made for a lot of people to buy and use at home. This made it a very important step in the history of computers!
What Was the TRS-80?
The TRS-80 was a desktop computer. This means it was designed to sit on a desk. It was one of the first computers that many families could afford. Before this, computers were mostly for big businesses or universities.
Why Was It Important?
The TRS-80 helped start the personal computer revolution. It showed that people wanted computers in their homes. It was easy to buy because it was sold in many RadioShack stores. This made it available to lots of people.
What Could It Do?
When it first came out, the TRS-80 had a small amount of memory. It could run simple programs. People used it for games, learning, and even some basic work. It helped many people learn about computers for the first time.
Images for kids
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Radio Shack Tandy TRS-80 Model I System
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The main circuit board inside the TRS-80 Model I
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Connectors on the back of the TRS-80 Model I
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A circuit board used to upgrade the TRS-80's memory
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The keyboard circuit board of the TRS-80 Model I
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A later version, the TRS-80 Model III
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The TRS-80 Model 4
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The portable TRS-80 Model 4P
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A computer from Brazil, similar to the TRS-80 Model I
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