noise is the correct answer for the above question.
Explanation:
The noise is a term which is a barrier in the network of communication. It forces the signals to make a delay in data transfer. It is caused by any device or mechanism.
For example, if any data is transferring, but some device makes fluctuation in wire, then the communication voltage is disturbed.
The above question asked about the term which born with the help of some devices and it caused the fluctuation in the voltage. So the term is known as noise.
