| Question 1: An analog device that ________ an input signal regardless of its nature (analog or digital). | |||
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| Question 2: When providing a point-to-point telecom link using radio beyond line of sight, one uses repeaters in a ________. | |||
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| Question 3: Repeaters are often used in trans-continental and submarine communications cables, because the ________ (signal loss) over such distances would be unacceptable without them. | |||
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| Question 4: A special subgroup of those repeaters is those used in ________. | |||
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| Question 5: Store and forward digipeaters generally receive a ________ transmission and then retransmit it on the same frequency, unlike repeaters that receive on one and transmit on another frequency. | |||
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| Question 6: The invention of the ________ made transcontinental telephony practical. | |||
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| Question 7: Because repeaters work with the actual physical signal, and do not attempt to interpret the data being transmitted, they operate on the Physical layer, the first layer of the ________. | |||
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| Question 8: A repeater is an ________ device that receives a signal and retransmits it at a higher level and/or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances. | |||
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| Question 9: In the 1930s ________ repeaters using hybrid coils became commonplace, allowing the use of thinner wires. | |||
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| Question 10: The term "repeater" originated with ________ and referred to an electromechanical device used to regenerate telegraph signals. | |||
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