
Imdad Ullah Khan, Ph.D.
Data Science & ML Researcher | Content Evaluator & Approver
About Imdad Ullah Khan, Ph.D.
Imdad Ullah Khan holds a Ph.D. in Computer Science from Rutgers University and evaluates technical material for accuracy, depth, methodological soundness, and intellectual honesty.
Published work
Articles

Basics of Software Testing: A Practical Guide for Beginners
Learn software testing basics with clear examples, testing types, levels, STLC steps, tools, automation choices, metrics, and practical QA best practices.
34 min readFundamentalsWhat Is Software Testing Explained: Why Quality Matters and the Cost of Skipping QA (2026)
The foundation of quality engineering: why testing exists, what it costs to skip, and the principles that guide every skilled QA professional.
9 min readTesting TypesTypes of Software Tests: Methods, Levels, Techniques, and Examples
Software testing types explained by level, purpose, technique, and execution method, with practical examples, comparison tables, and a selection guide.
42 min readStrategyManual vs. Automated Testing Explained: How to Build a High-ROI Hybrid QA Strategy (2026)
Understanding when human judgment is irreplaceable and when automation delivers 10x returns, and how to build a hybrid strategy that leverages both.
6 min read
