The screen was made by Sharp Electronics. Display: 8 lines, 40 characters LCD, twisted nematic (gray) monochrome, with 240 by 64 pixel addressable graphics.An additional 32 KB Option ROM can be installed, for a total of 64 KB of ROM (bank-switched in a 32 KB aperture), and the Standard ROM is socket-mounted (not soldered-in) so is readily replaceable. Machines with less than 32 KB can be expanded in 8 KB increments of plug-in static RAM modules. Memory: 32 KB ROM 8, 16, 24, or 32 KB static RAM.It was originally marketed as a Micro Executive Work Station (MEWS), although the term did not catch on and was eventually dropped. The Olivetti M-10 and the NEC PC-8201 and PC-8300 were also built on the same Kyocera platform, with some design and hardware differences. It became one of the company's most popular models, with over 6 million units sold worldwide. The computer was sold through Radio Shack stores in the United States and Canada and affiliated dealers in other countries. Although a slow seller for Kyocera, the rights to the machine were purchased by Tandy Corporation. It was made by Kyocera, and originally sold in Japan as the Kyotronic 85. It is one of the first notebook-style computers, featuring a keyboard and liquid crystal display, in a battery-powered package roughly the size and shape of a notepad or large book. The TRS-80 Model 100 is a portable computer introduced in April 1983. Keyboard: 56 keys, 8 programmable function keys, 4 dedicated command keys, and 4 cursor control keysįour penlight (AA) cells, or external power adapter 6V (>180 mA)
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