📘 Software Quality Assurance (SQA) Process

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🔹 1. Definition

The Software Quality Assurance (SQA) Process is a structured set of activities used throughout the software development life cycle to ensure that software products meet defined quality standards and user requirements.

👉 In simple words: It is the step-by-step process used to ensure software quality is maintained from start to finish.

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🔹 2. Key Idea ⭐

• Focus on preventing defects (not just finding them)
• Ensures process + product quality
• Works across entire SDLC

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🔹 3. Objectives of SQA Process

• Ensure high-quality software product
• Prevent defects early
• Follow standards and procedures
• Improve process efficiency
• Increase customer satisfaction

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🔹 4. SQA Process Activities (Main Steps)

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🔸 1. SQA Planning 📋

• Define quality goals
• Prepare SQA plan 👉 Includes standards, tools, and methods

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🔸 2. Requirement Quality Check 📑

• Verify requirements are:

  • Clear
  • Complete
  • Testable

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🔸 3. Design Quality Assurance 🏗

• Review system design
• Ensure consistency and correctness

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🔸 4. Code Quality Assurance 💻

• Code reviews and inspections
• Check coding standards
• Remove errors early

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🔸 5. Testing Phase 🧪

• Unit testing
• Integration testing
• System testing
• Acceptance testing

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🔸 6. Process Auditing 🔍

• Check if processes are followed correctly
• Ensure compliance with standards

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🔸 7. Configuration Management 🔄

• Control software versions
• Track changes in code and documents

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🔸 8. Quality Control & Metrics 📊

• Measure quality using:

  • Defect density
  • Test coverage
  • Reliability

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🔸 9. Reporting & Feedback 📢

• Report defects and issues
• Provide feedback for improvement

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🔹 5. SQA Process Flow Diagram

Requirements Review
        ↓
Design Review
        ↓
Code Inspection
        ↓
Testing
        ↓
Auditing & Metrics
        ↓
Quality Evaluation & Reporting

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🔹 6. SQA Activities vs SDLC Phases

SDLC Phase	SQA Activity
Requirement	Requirement validation
Design	Design review
Coding	Code inspection
Testing	Test verification
Deployment	Quality audit

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🔹 7. Techniques Used in SQA Process

• Reviews and walkthroughs
• Audits
• Inspections
• Testing techniques
• Automated tools
• Static code analysis

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🔹 8. Importance of SQA Process ⭐

✔ Ensures high-quality software ✔ Reduces development cost ✔ Detects defects early ✔ Improves software reliability ✔ Ensures standard compliance

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🔹 9. Advantages

• Early defect detection
• Better project control
• Improved customer satisfaction
• Reduced rework
• Higher software quality

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🔹 10. Limitations ❌

• Requires additional time and cost
• Needs skilled QA professionals
• May slow development if overused
• Requires continuous monitoring

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🔹 11. Real-Life Example

👉 In an online banking system:

• Requirements are reviewed for correctness
• Code is inspected for security flaws
• Testing ensures transactions work correctly
• Audits ensure compliance with standards

👉 Result: Secure and reliable system

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🔹 12. Key Exam Points

• SQA is a process-based approach

• Covers entire SDLC

• Includes:

  • Planning
  • Reviews
  • Testing
  • Auditing
  • Metrics

• Goal = prevent defects and ensure quality

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🔹 13. Short Summary

• SQA Process ensures software quality through structured activities across all development phases
• It focuses on preventing defects and improving processes
• It is applied throughout the entire SDLC

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🔹 14. Quick Exam Answer (2–3 lines)

The Software Quality Assurance (SQA) Process is a set of activities performed throughout the software development life cycle to ensure that software meets quality standards. It includes planning, reviews, testing, auditing, and metrics to prevent defects and improve software quality.

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🔹 15. Likely Exam Questions

1. Define SQA process.
2. What are the steps in SQA process?
3. Explain SQA activities in SDLC.
4. Why is SQA important?
5. Differentiate QA and QC.
6. What techniques are used in SQA?
7. Draw SQA process diagram.