Noise means some obstruction or hindrance to communication. Some examples of noise are:
(A) A good telephone connection.
(B) An attentive receiver.
(C) Ambiguous symbols
(D) Faulty decoding
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → (C) and (D) only
Noise is anything that disturbs or blocks communication. It may arise at the sender’s end, in the message or at the receiver’s end.
(A) A good telephone connection. — Incorrect. A good connection carries the message without disturbance. It is a poor connection that is noise.
(B) An attentive receiver. — Incorrect. A receiver who pays attention helps the message to be understood. It is an inattentive receiver that is noise.
(C) Ambiguous symbols — Correct. Words or signs with more than one meaning lead to faulty encoding, so the message goes out unclear.
(D) Faulty decoding — Correct. The receiver attaches the wrong meaning to the message, so it is misunderstood.
NCERT (2026-27 Edition): “Elements of Communication Process … (viii) Noise: Noise means some obstruction or hindrance to communication. This hindrance” “…may be caused to sender, message or receiver. Some examples of noise are: |