What is the definition of a control variable?

Answer 1

1. Variables are simply names used to refer to some location in memory - a location that holds a value with which we are working. It may help to think of variables as a placeholder for a value. in system

Answer 2

the other variables, the ones that stay the same, are called controlled variables. In the case of the eating competition, the control variables are the type food eaten, the type of plate used, the location, the way the food is cut up, and so on.

Answer 3

control variables are those variables that are not changed throughout the trails in an experiment

Answer 4

the definition is : a variable that can be controoled