12.10.10: Summary
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Summary
Software development is about so much more than programming. Developing new software applications requires several steps, from the formal SDLC process to more informal processes such as agile programming or lean methodologies. Programming languages have evolved from very low-level machine-specific languages to higher-level languages that allow a programmer to write software for a wide variety of machines. Most programmers work with software development tools that provide them with integrated components to make the software development process more efficient. For some organizations, building their own software applications does not make the most sense; instead, they choose to purchase software built by a third party to save development costs and speed implementation. In end-user computing, software development happens outside the information technology department. When implementing new software applications, there are several different types of implementation methodologies that must be considered.
Study Questions
- What are the steps in the SDLC methodology?
- What is RAD software development?
- What makes the lean methodology unique?
- What are three differences between second-generation and third-generation languages?
- Why would an organization consider building its own software application if it is cheaper to buy one?
- What is responsive design?
- What is the relationship between HTML and CSS in website design?
- What is the difference between the pilot implementation methodology and the parallel implementation methodology?
- What is change management?
- What are the four different implementation methodologies?
Exercises
- Which software-development methodology would be best if an organization needed to develop a software tool for a small group of users in the marketing department? Why? Which implementation methodology should they use? Why?
- Doing your own research, find three programming languages and categorize them in these areas: generation, compiled vs. interpreted, procedural vs. object-oriented.
- Some argue that HTML is not a programming language. Doing your own research, find three arguments for why it is not a programming language and three arguments for why it is.
- Read more about responsive design using the link given in the text. Provide the links to three websites that use responsive design and explain how they demonstrate responsive-design behavior.