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Why is it important to distinguish between Quality Assurance and Quality Control in a software project?

hard📝 Conceptual Q10 of 15
Testing Fundamentals - Why Software Testing Matters
Why is it important to distinguish between Quality Assurance and Quality Control in a software project?
ABecause QA replaces the need for QC
BBecause QA and QC are the same, distinction is unnecessary
CBecause only QC matters for software quality
DBecause QA prevents defects and QC detects defects, both are needed for quality
Step-by-Step Solution
Solution:

  1. Step 1: Understand the roles of QA and QC

    QA focuses on preventing defects; QC focuses on detecting defects.

  2. Step 2: Recognize the importance of both

    Both are essential for delivering high-quality software.

  3. Final Answer:

    Because QA prevents defects and QC detects defects, both are needed for quality -> Option D

  4. Quick Check:

    QA + QC = Complete quality approach [OK]
Quick Trick: QA prevents, QC detects; both ensure quality [OK]
Common Mistakes:
  • Thinking QA and QC are identical
  • Ignoring one role over the other
  • Believing QC replaces QA

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