The graphical programming realm Explaining the principal differences among the graphical PLC programming languages, Yerger started with Ladder Diagram, noting its development from relay logic. “It ...

The pioneer of structured programming, Edsger Dijkstra, said in 1975, for example, that it was almost impossible to teach good programming to students who had previously come into contact with BASIC.

Edsger Wybe Dijkstra, one of the creators of the art and science of computer programming, has died. He was 72. Born in Rotterdam in 1930, Dijkstra's career in Europe and the United States included ...