Osborne 1
Computer
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The Osborne 1 is the first commercially successful portable computer, released on April 3, 1981 by Osborne Computer Corporation. It weighs 24.5 lb, cost US$1,795, and runs the CP/M 2.2 operating system. Wikipedia
Cost: US$1,795
Dimensions: W: 20.5 inches (52 cm); H: 9 inches (23 cm); D: 13 inches (33 cm)
Manufacturer: Osborne Computer Corporation
Date introduced: April 3, 1981
CPU: Zilog Z80 @ 4 MHz
Discontinued: 1983
Display: 5″ monochrome CRT display, 52 x 24 characters text