1983– The Trash-80, as it was so admirably called in the day, a.k.a. the TRS-80 Model 4 is introduced. It contains a 4 MHz processor, 16 KB of RAM, a cassette interface, Keyboard and Monochrome monitor. $1000 for the base model, or $2000 if you upgraded the RAM to 64 KB and 5.25 disk drives. The first TRS-80 was released in 1977.
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