The ____________________ used a grid of horizontal and vertical bars with electromagnets at their ends.
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Q65: Does the term multiplexing refer to the
Q66: The type of signaling where visual cues
Q67: Simultaneously transmitting a signal in both directions
Q68: Simultaneously transmitting an indeterminate number of multiple
Q69: The _ switch used a cylinder with
Q71: A(n) _ center is a place where
Q72: A(n) _ center is an exchange where
Q73: A(n) _ center is an exchange where
Q74: Telegraphs and telephones are examples of _
Q75: _ refers to a feature of physical
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