FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A constant is a data item whose value cannot change during the program’s execution. Thus, as its name implies – the value is constant.

Detailed explanation-2: -In computer programming, a constant is a value that should not be altered by the program during normal execution, i.e., the value is constant.

Detailed explanation-3: -Constant: A number that cannot change its value.

Detailed explanation-4: -To make <var name> a constant, you only need to add the const qualifier to this statement as follows: const <data type> <var name> = <value>; Adding the const keyword in the definition of the variable ensures that its value remains unchanged in the program.

Detailed explanation-5: -A constant variable, sometimes known as a control variable, is something you keep the same during an experiment.