GCE O-Level · Computing (7155)
4 multiple-choice questions marked as you go, and 2 written questions with worked solutions. All on Software Engineering.
A software development team has just finished the test and refine code stage for a new mobile application. During this phase, they discovered that while the application works correctly, the navigation menu is confusing for users. The team decides to go back and revise their flowcharts and interface layouts. This approach of returning to earlier stages to improve the solution is a characteristic of:
A software engineer is tasked with developing a complex system where requirements are expected to change frequently as users interact with early prototypes. Which approach to the software development life cycle (SDLC) is most appropriate, and why?
In the software development life cycle, which stage specifically involves identifying the end-user requirements, determining the system's inputs and outputs, and establishing any project constraints?
A software development team is building a critical banking application. They decide to use an iterative development model rather than a traditional linear waterfall model. Which of the following best describes a characteristic of the test and refine code stage in an iterative approach?
In the software development life cycle, a team has finished the write code stage for a database application. During the test and refine code stage, they discover that while the program is free of syntax errors, it runs extremely slowly when processing large datasets due to an inefficient sorting method. Explain why the team should return to the design solutions stage rather than simply debugging the current code.
Write your answer out first, then check it against the worked solution.
In the Software Development Life Cycle (SDLC), developers often follow a series of stages: Gather Requirements, Design Solutions, Write Code, Test and Refine Code, and Deploy Code.
(a) Explain why the Test and Refine Code stage might lead a developer to return to the Design Solutions stage.
(b) State the primary difference between a syntax error and a run-time error during the development process.
Write your answer out first, then check it against the worked solution.
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