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Carterfone
Carterfone was a device that connects a two-way radio to a telephone system. In 1966 telephone companies sued and Federal Communications Commission ruled in favor of the Carterfone, which would later allow telephone lines to be used for answering machines, faxes, modems and credit/debit card machines.
https://www.computerhistory.org/timeline/1966/ -
ASCII — American Standard Code for Information Interchange)
ASCII (American Standard Code for Information Interchange) allows machines from different manufacturers to exchange data and using ASCII allows developers to create an interface that both people and computers can understand. Today it has been replaced by Unicode but the first 128 characters in Unicode are encoded the same as ASCII characters.
https://www.computerhistory.org/timeline/1963/
https://www.techtarget.com/whatis/definition/ASCII-American-Standard-Code-for-Information-Interchange -
The 2116A
The 2116A is HP's first computer. It was made to manage the company's test and measurement devices. It has helped to expand the field of computer capability further by developing the first system tailored for use with measuring instruments.
https://www.computerhistory.org/timeline/1966/
https://www.hp.com/hpinfo/abouthp/histnfacts/publications/measure/pdf/1967_01.pdf -
CICS (Customer Information Control System)
CICS (Customer Information Control System) is a transaction processing system, this still provides online transaction management and connectivity for applications. Before this companies had to use punched cards to process transaction.
https://www.computerhistory.org/timeline/1968/
http://www.edm2.com/index.php/Customer_Information_Control_System -
ARPAnet
The ARPAnet main purpose was give a way to send fast and protected information, it was also the first network of that scale to connect different computers together. When it first began it was used mostly to connect universities and research centers. ARPAnet has help in many fields science, education, business, government, health care, defense, and social life/ modern gaming.
https://dataprot.net/articles/what-is-arpanet/
https://www.spiceworks.com/tech/networking/articles/what-is-arpanet/