Electronic Communications A System Approach Certification Evaluation Exams Set Full Questions And Complete Solution

ELECTRONIC COMMUNICATIONS A SYSTEM
APPROACH CERTIFICATION EVALUATION
EXAMS SET FULL QUESTIONS AND
COMPLETE SOLUTION

●● Transmitter, Channel/Transmission Medium, Receiver
Answer: The three main components of an electronic communication
system.


●● Transmitter
Answer: Converts an electrical signal into a signal suitable for the
transmission medium.


●● Channel / Transmission Medium
Answer: The part of the communication system that acts as the medium
for transmitting signals.


●● Receiver
Answer: Converts the electronic signal back into its original form.


●● Noise
Answer: The interference that degrades signal quality in a
communication system.

, ●● Simplex, Half-Duplex, Full-Duplex
Answer: The classification of electronic communication based on the
direction of transmission.


●● Simplex
Answer: A communication system that transmits information only in one
direction.


●● Half-Duplex
Answer: A communication system that allows two parties to transmit
information but only one at a time.


●● Full-Duplex
Answer: A communication system where two parties can transmit
information simultaneously.


●● Full/Full Duplex Communication
Answer: Communication where one station can transmit to one location
and receive from another at the same time.


●● Analog Signal
Answer: A continuously varying electrical signal.