What is the Evolution of software engineering

Any application on computer runs by software. As computer technologies have changed tremendouslyinthe last five decades, consequently, the software development has undergone significant changes in last few decades of 20^thcentury.In the earlyyears, software size used to be small and those were developed either by a single programmer or bya small programming team. Program development was dependent on programmer's skills and no strategic software practices were present. In early1980s, size of software and application domain of software increased. Therefore, its complexity has also increased. Bigger teams were engaged in development of Software. Software development became more bit organised and software development management practices came into existence.