Software Engineering on the other hand aims to use the science and technology already available to create products and tools for use. Therefore, the goal of Computer Science, according to Parnas, “is to learn and extend the science”. Generally, engineering should be concerned with applying what we already know to create products, while science is more theoretical.
Software Engineering and computer science differ in much the same way as do Electrical Engineering and Physics. Software Engineering (SE) derives its essence from computer science as other engineering disciplines do from natural or life sciences, with an emphasis on issues of process, design, implementation, maintenance, analysis and verification providing a strong foundation in engineering principles and practices as applied to software development.
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