What Software Testing Is and Why It Matters

This lesson introduces software testing as a practical discipline for evaluating whether software behaves as intended and meets user needs. Students will learn why testing matters, what kinds of problems testing helps uncover, and how testing supports quality, confidence, and faster delivery.

The lesson also clarifies common misconceptions, such as the idea that testing proves software is perfect or that testers are the only people responsible for quality. By the end, learners will understand testing as part of the development process, not a separate final step.