Question

When an algorithm reaches a(n) ____ operation, it waits until someone or something provides it with a

value.
computational
arithmetic
input
output

Answer 1

The answer to this question is input operation. Input operation is the signals/data that received by the programs to start a certain operation.
In personal computers for example, input operation needs to be triggered by the computer users that click the icon on the screen or type something through the keyboards.