A mapping. It need not be a function.
Chat with our AI personalities
function rule
The value that results from the substitution of a given input into an expression or function is the output. The value substituted into an expression or function is an input.
cost or input
What is the difference between output and input?If you sing into a microphone you can hear the microphone's output.Sound coming out of the power amp to the speakers.That is the input of the loudspeaker.Do you see the difference?Your voice is the microphone's input. Its output is electrical impulses that are input to the amplifier. The amplified impulses are the output of the amplifier and input to the speaker. Sound waves are output of the speaker and input to your ears.
It is the process which converts the input to output.