In McCall's Quality Model, which category groups factors related to how well software runs in daily operations (Product Operation)?
Option C is correct. McCall's Product Operation category focuses on operational quality attributes: Correctness, Reliability, Efficiency, Integrity, and Usability.
In ISO/IEC 9126 software quality standard, which sub-characteristic is associated with the Efficiency quality attribute?
Option A is correct. Under ISO 9126, Efficiency includes Time Behavior (response times) and Resource Utilization (CPU/RAM consumption).
What software engineering discipline analyzes existing software code to extract design information and high-level architectural models?
Option B is correct. Reverse Engineering analyzes legacy system execution and code to recover architectural design artifacts and specifications.
What process modifies software internal code structure without changing its external execution behavior to improve readability and reduce complexity?
Option A is correct. Refactoring improves internal code quality, legibility, and architectural cohesion without changing its user-facing behavior.
What project management tool displays project activities as horizontal bar charts along a calendar timeline?
Option B is correct. Gantt Charts depict project schedules visually using horizontal bars representing task durations and schedule timelines.