In , imperative programming is a  that uses  that change a program's . In much the same way that the  in  expresses commands, an imperative program consists of  for the  to perform. Imperative programming focuses on describing how a program operates.

The term is often used in contrast to , which focuses on what the program should accomplish without specifying how the program should achieve the result.

 

The earliest imperative languages were the machine languages of the original computers. In these languages, instructions were very simple, which made hardware implementation easier, but hindered the creation of complex programs.

 

https://en.wikipedia.org/wiki/Imperative_programming