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Introduction to software engineering, components, characteristics and applications

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it gives a brief intro about the software engineering its definition, characteristics, components, applications and importance

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Introduction to software engineering, components, characteristics and applications

  1. 1. SOFTWARE ENGINEERING  Software engineering is defined as a discipline whose aim is the production of quality software, delivered on time and within the budget and that satisfies its requirement
  2. 2. A systematic approach is the development, operation, maintenance, and retirement of software where software is computer program, procedures, rules and associated documents and data pertaining to the operation of a computer system.
  3. 3. IMPORTANCE OF SOFTWARE ENGINEERING  1. Reduces complexity Big software are always complex and difficult to develop. Software engineering has a great solution to decrease the complexity of any project..  2. To minimize software cost Software requires a lot of hard work and software engineers are highly paid professionals. But in software engineering, programmers plan everything and reduce all those things that are not required. In turn, cost for software productions becomes less.  3. To decrease time If you are making big software then you may need to run many code to get the ultimate running code. This is a very time consuming So if you are making your software according to software engineering approach then it will reduce a lot of time.
  4. 4.  4. Handling big projects Big projects are not made in few days and they require lots of patience, So to handle big projects without any problem, organization has to go for software engineering approach.  5. Reliable software Software should be reliable, means if you have delivered the software then it should work for at least it’s given time  6. Effeteness Effectiveness comes if anything has made according to the standards. So Software becomes more effective in performance with the help of software engineering.  7. Productivity If programs fails to meet its standard at any stage, then programmers always improves the code of software to make it sure that software maintains its standards.
  5. 5. SOFTWARE CHARACTERISTICS Software is developed : It is not manufactured. It is not something that will automatically roll out of an assembly line. It ultimately depend on individual skill and creative ability Software does not Wear Out : Software is not susceptible to the environmental melodies and it does not suffer from any effects with time
  6. 6. Software is Highly Malleable : In case of software one can modify the product itself rather easily without necessary changes. Most Software is Created and Not Assembled from Existing Components
  7. 7. SOFTWARE COMPONENTS Off the shelf Components : Existing software that can be acquired from a third party. Full Experience Components : Existing past projects that are similar to the software to be built for the current project and team members have full experience. Partial Experience components : Existing past project that are related to the software to be built for current project but needs substantial modifications New Components : Software components that must be built by the software team specifically for the needs of the current project
  8. 8. SOFTWARE APPLICATION  System software: This class of software manages and controls the internal operations of a computer system. It is a group of programs, which is responsible for using computer resources efficiently and effectively. For example, an operating system  • Real-time software: This class of software observes, analyzes, and controls real world events as they occur An example of real-time software is the software used for weather forecasting that collects and processes parameters like temperature and humidity  • Business software: This class of software is widely used in areas where management and control of financial activities is of utmost importance. The fundamental component of a business system comprises payroll, inventory, and accounting software
  9. 9.  • Engineering and scientific software: This class of software has emerged as a powerful tool in the research and development of next generation technology  • Artificial intelligence (AI) software: This class of software is used where the problem-solving technique is non-algorithmic in nature.  • Web-based software: This class of software acts as an interface between the user and the Internet  • Personal computer (PC) software: This class of software is used for both official and personal use.