AnsweR:
a) The person who encodes the message.
Explanation:
In the communication model, the sender refers to the person, group, or entity that generates or initiates a message.
b) The person who decodes or interprets the message is known as the 'receiver' or 'recipient'.
c) The medium through which the message travels in the communication model is known as the 'communication channel'.
d) The person who receives the message in the communication model is referred to as the 'receiver' or 'recipient'.
Hence, the required answer is option (a)
