Processor Technology Access February 1977 issue

YEAR: 1975
ITEM: Periodical
COMPANY: Processor Technology Access
COUNTRY: U.S.A.
IN OUR COLLECTION: Yes
February 1977 issue of Processor Technology Access. Includes instructions and circuit diagrams for interfacing a keyboard and VDM with ALS-8, using the 3P+S, source list for Sol operating system, and other fun little hacks and tricks.
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Documents
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OUR DEFINITIONS OF RARITY
One of a Kind: Only known existing item.
Exceedingly Rare: Only 2 to 10 known to exist.
Very Rare: Only 11 to 25 are known to exist.
Rare: Only 26 to 50 are known to exist.
Difficult: Difficult to find.
Available:Can be commonly be purchased.
Unknown: We cannot make a determination.
(For comparison: Many people consider the Apple-1 computer to be rare. As of 2025 there are 92 confirmed and probable Apple-1 computers.)







