TRS-80

Description

The TRS-80, introduced in 1977, was one of the earliest mass-produced personal computers. Its success helped establish the personal computer industry.

Specifications

• Processor: Zilog Z80 @ 1.77 MHz
• Memory: 4 KB RAM, expandable to 48 KB
• Storage: Cassette tape, optional floppy disk
• Graphics: 64×16 text
• OS: TRS-DOS, BASIC

Timeline

Introduced: August 1977
Discontinued: January 1981

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