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TRS-80 facts for kids

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TRS-80 Model I - Rechnermuseum Cropped.jpg
TRS-80 Model I with Expansion Interface
Type Home computer
Release date August 3, 1977 (1977-08-03)
Discontinued January 1981
CPU Zilog Z80 @ 1.78 MHz
Memory 4 KB ~ 48 KB

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 RadioShack stores. The name is an abbreviation of Tandy/RadioShack, Z80 microprocessor. It is one of the earliest mass-produced and mass-marketed retail home computers.

Images for kids

  • Radio Shack Tandy TRS-80 Model I System

    Radio Shack Tandy TRS-80 Model I System

  • Radio Shack Tandy TRS-80 Model I PCB

    Radio Shack Tandy TRS-80 Model I PCB

  • Radio Shack Tandy TRS-80 Model I Rear Panel

    Radio Shack Tandy TRS-80 Model I Rear Panel Connectors

  • Radio Shack Tandy TRS-80 Model I Level II ROM Upgrade PCB

    Radio Shack Tandy TRS-80 Model I Level II ROM Upgrade PCB

  • Radio Shack Tandy TRS-80 Model I Keyboard

    Radio Shack Tandy TRS-80 Model I ALPS Keyboard PCB

  • TRS-80 Model 3 01

    TRS-80 Model III

  • TRS-80 Model 4 (modified)

    TRS-80 Model 4 (standard version)

  • TRS-80 Model 4P Crop Delsener

    TRS-80 Model 4P

  • DGT-100 Brazilian TRS-80 Clone

    TRS-80 Model I clone, the DGT-100 by DIGITUS Ind. Com. Serv. de Eletrônica Ltda.

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TRS-80 Facts for Kids. Kiddle Encyclopedia.