An organization has a 20-year-old COBOL system. They use a tool that reads the COBOL source code and automatically generates UML Sequence Diagrams to help new developers understand the logic. This is an example of:
A company’s internal HR system was built for Windows 7. After the company upgrades all laptops to Windows 11, the software fails to launch. The development team is tasked with updating the system calls to be compatible with the new OS. This is an example of:
(Calculation/Comparison) A software manager is comparing the cost of Maintenance versus Replacement. If maintenance costs $10,000/year and replacing the system costs $150,000 but reduces maintenance to $1,000/year, after how many years is replacement more cost-effective?
A video streaming platform notices that their "Recommendation Engine" is slow. They decide to rewrite the underlying sorting algorithm from O(N^2) to O(N log N) to make the page load faster, though the recommendations stay exactly the same. This is:
(Code/Console Logic) A developer is looking at a Refactoring task. Which design metric is primarily being improved by the change shown in this console output?
(Code/Console Logic) A lead engineer is reviewing a system maintenance log. Based on the diff output below, what type of maintenance activity was performed?