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Software Engineering

Software engineering is a field of computer science, it includes the building and development of computer systems software and applications software. Computer systems software is composed of programs which include computing utilities and operations systems.

Software engineering is that the systematic application of engineering approaches to the event of software. Software engineering is a branch of computing science.

When the primary digital computers appeared within the early 1940s, the instructions to form them operate were wired into the machine. Practitioners quickly realized that this design wasn't flexible and came up with the "stored program architecture" or von Neumann architecture. Thus the division between "hardware" and "software" began with abstraction getting used to affect the complexity of computing.

Programming languages began to appear within the early 1950s and this was also another major step in abstraction. Major languages like Fortran, ALGOL, PL/I, and COBOL were released within the late 1950 and 1960s to affect scientific, algorithmic, and business problems respectively. David Parnas introduced the key concept of modularity and knowledge hiding in 1972 to assist programmers affect the ever-increasing complexity of software systems.

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