ELECTRONIC COMMUNICATIONS A SYSTEM
APPROACH FINAL PAPER TESTED
QUESTIONS WITH VERIFIED ANSWERS
COMPLETE STUDY SHEET
●● All electronic communication systems have a transmitter, a
communication channel or medium, and a receiver.
Answer: True
●● Examples of transceivers include telephones, fax machines, cellular
telephones, and computer modems.
Answer: True
●● Simplex communication refers to a two-way transmission type
system.
Answer: False
●● An analog signal is a continuously varying voltage or current.
Answer: True
●● Multiplexing makes the information signal more compatible with the
medium.
Answer: False
, ●● Modulation is the process of having a baseband voice, video, or
digital signal modify another, higher-frequency signal, the carrier.
Answer: True
●● A modem can be used to translate data from digital to analog and
back again.
Answer: True
●● Multiplexing is the process of allowing two or more signals to share
the same medium or channel.
Answer: True
●● Low frequencies are in the 3- to 30-MHz range.
Answer: False
●● Circuits that introduce attenuation have a gain that is less than 1.
Answer: True
●● Both coils and capacitors offer opposition to alternating current flow
known as resistance.
Answer: False
APPROACH FINAL PAPER TESTED
QUESTIONS WITH VERIFIED ANSWERS
COMPLETE STUDY SHEET
●● All electronic communication systems have a transmitter, a
communication channel or medium, and a receiver.
Answer: True
●● Examples of transceivers include telephones, fax machines, cellular
telephones, and computer modems.
Answer: True
●● Simplex communication refers to a two-way transmission type
system.
Answer: False
●● An analog signal is a continuously varying voltage or current.
Answer: True
●● Multiplexing makes the information signal more compatible with the
medium.
Answer: False
, ●● Modulation is the process of having a baseband voice, video, or
digital signal modify another, higher-frequency signal, the carrier.
Answer: True
●● A modem can be used to translate data from digital to analog and
back again.
Answer: True
●● Multiplexing is the process of allowing two or more signals to share
the same medium or channel.
Answer: True
●● Low frequencies are in the 3- to 30-MHz range.
Answer: False
●● Circuits that introduce attenuation have a gain that is less than 1.
Answer: True
●● Both coils and capacitors offer opposition to alternating current flow
known as resistance.
Answer: False
