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Camillyxavier09go
Respondido

1.
When was invented the digital alarm clock?
(1 Ponto)

In 1948

In 1956



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Resposta :

Tiemijulia6go

Resposta:

In 1956. The earliest patent for a digital alarm clock was registered by D.E Protzmann and others on October 23, 1956, in the United States.

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