The following message is a courtesy copy of an article
that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.

[EMAIL PROTECTED] (Schwarz, Barry A) writes:
> The Apple I went on sale in l976 so the author seems to have limited
> view of what a PC is.

5100 pc was announced sep75.
http://www-03.ibm.com/ibm/history/exhibits/pc/pc_2.html

predating the 5150 pc in 1981.
http://www-03.ibm.com/ibm/history/exhibits/pc/pc_1.html

from above:

One of the earliest IBM attempts to move computing into the hands of
single users was the "SCAMP" project in 1973. This six-month development
effort by the company's General Systems Division (GSD) produced a
prototype device dubbed "Special Computer, APL Machine Portable" (SCAMP)
that PC Magazine in 1983 called a "revolutionary concept" and "the
world's first personal computer." To build the prototype in the short
half-year allowed, its creators acquired off-the-shelf materials for
major components. SCAMP could be used as a desktop calculator, an
interactive APL programming device and as a "dispenser" of canned
applications. The successful demonstration of the prototype in 1973 led
to the launch of the IBM 5100 Portable Computer two years later.
 
... snip ...

of course, one could claim that work by science center
http://www.garlic.com/~lynn/subtopic.html#545tech

creating cp67 virtual machines in the mid-60s, enabled the deployment of
CMS personal computing.

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