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Radio Shack
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TRS-80 Microcomputer System
( a.k.a. Model I )
|
Introduced: |
August 3, 1977 Zilog Z80 Originally 4k, expanded to 48k Originally 4k, expanded to 16k 83k per side TRS-DOS 2.0 to 2.3 Microsoft BASIC |
Price from 1979 Radio Shack Catalogue (CDN$):
| Level II, 16K Expansion Kit Disk 1 Disk 2 Serial Interface Printer (1980) Total: |
1547.00 1327.00 829.00 799.00 159.95 349.00 $5010.95 |
Retailed through the 3000 Radio Shack stores, the TRS-80 Model I was the first mass-marketed computer. At the time of its introduction, only 25 units had been built. Nearly 55,000 were sold in the first year of production.