TRS-80 Model 100

TRS-80 Model 100
DeveloperKyocera, Tandy, Microsoft
TypePortable computer (notebook)
Release dateApril 26, 1983 (1983-04-26)
Introductory price8K version US$1,099 (equivalent to $3,400 in 2023)
24K versions US$1,399 (equivalent to $4,300 in 2023)
Units sold6 million
Operating systemCustom dedicated runtime in firmware
CPU2.4 MHz Intel 80C85
MemoryKB – 32 KB
Display8 lines, 40 characters LCD
Graphics240 by 64 pixel addressable graphics
InputKeyboard: 56 keys, 8 programmable function keys, 4 dedicated command keys, and 4 cursor control keys
PowerFour penlight (AA) cells, or external power adapter 6V (>180 mA)
Dimensions300 by 215 x 50 mm
MassAbout 1.4 kg (3.1 lb) with batteries

The TRS-80 Model 100 is a notebook-sized portable computer introduced in April 1983. It was the first commercially successful notebook computer, as well as one of the first notebook computers ever released.[1] It features a keyboard and liquid-crystal display, in a battery-powered package roughly the size and shape of a notepad or large book. The 224-page, spiral-bound User Manual is nearly the same size as the computer itself.

It was made by Kyocera, and originally sold in Japan as the Kyotronic 85. Although a slow seller for Kyocera, the rights to the machine were purchased by Tandy Corporation. The computer was sold through Radio Shack stores in the United States and Canada and affiliated dealers in other countries. It became one of the company's most popular models, with over 6 million units sold worldwide. 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 was originally marketed as a Micro Executive Work Station (MEWS),[2] although the term did not catch on and was eventually dropped.

  1. ^ McCracken, Harry (August 6, 2012). "A 35th-anniversary salute to Radio Shack's TRS-80". CNN.com. Warner Bros. Discovery. Archived from the original on April 15, 2022.
  2. ^ "Radio Shack Computer Catalog RSC-10, page 59". Radio Shack Catalogs dot com. Tandy/Radio Shack. Retrieved April 10, 2017.

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