In the 40s the first computers were built. The very first models were ‘programmed’ by means of huge connection boards. Soon the program was stored in computer memory, introducing the first programming languages. Because in those days computer use was very expensive, it was obvious to have the programming language resemble the architecture of the computer as close as possible. A computer consists of a central processing unit and a memory. Therefore a program consisted of instructions to modify the memory, executed by the processing unit. With that the imperative programming style arose. Imperative programming language, like Pascal and C,.
