QUESTIONS AND ANSWERS
What is the range of pure tone audiometry? - ANS Ranges from 0.125 to 8 kHz
What is an EADL? - ANS electronic aids to daily living
What is the best mode of transmission of an EADL that controls a distant device such as a
garage door opener? - ANS Radio Frequency Transmission
what is radio frequency transmission? - ANS serves as a line between the EADL and
appliances
What are the advantages and disadvantages of radio frequency transmission? - ANS Adv:
designed to transmit throughout a house and yard and are not blocked by common household
materials.
Disadv: interference and lack of privacy
what is house wiring? - ANS digital control signals are sent from the EADL through house
wires and to the individual appliances.
what are the advantages and disadvantages of house wiring? - ANS Adv: no installation cost
for additional wiring.
Disadv:not portable, and sometimes systems on the same electrical power systems interfere
with each other.
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