B: bulletin boards
![subject](/tpl/images/cats/informatica.png)
Computers and Technology, 21.02.2022 14:00 Shiey0409
Electronic mail system first started as networked:
A: telephone calls
B: bulletin boards
C: web browsers
D: direct messages
![ansver](/tpl/images/cats/User.png)
Answers: 3
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Electronic mail system first started as networked:
A: telephone calls
B: bulletin boards
B: bulletin boards
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