Osborne I - Computer Definition
The first portable computer, developed by Adam Osborne and introduced in 1981. Floppy disk based with 64K of memory, it used the CP/M operating system and a modified version of the WordStar word processor that would display only 40 characters at a time across its tiny 4.5" CRT. It cost $1,795, which was considerably inexpensive for a computer of that era. Weighing in at nearly 30 pounds and requiring AC power, the Osborne was really more "transportable" than a true portable.
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