Siksha Sarovar

Siksha Sarovar (sikshasarovar.com) is a free educational web application that helps students in India learn programming and prepare for academic and competitive exams. The platform offers structured coding courses (C, C++, Python, Java, HTML, CSS, PHP, Power BI, AI, Machine Learning, Data Science), complete university curriculum notes for BCA/MCA students with previous year question papers, Class 10 and Class 12 CBSE/HBSE school notes, and dedicated preparation material for SSC, UPSC, Banking, Railway and other government exams. Browsing the site is completely free and requires no account. Users may optionally sign in with Google solely to save their learning progress, quiz scores and personal preferences across devices.

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Siksha Sarovar is a free e-learning platform for coding courses, BCA university notes and competitive exam preparation. Optional Google sign-in saves your learning progress across devices.

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4.0 Unit 4 Overview: Software Testing & Maintenance

Lesson 19 of 24 in the free Software Engineering notes on Siksha Sarovar, written by Rohit Jangra.

Unit IV — Overview: Software Testing & Maintenance

Unit IV closes the SDLC story:

  1. Testing process — verification, validation, testing principles
  2. Levels of testing — unit, integration, system, acceptance
  3. Types of testing — manual vs automation
  4. Methods of testing — black-box, white-box, grey-box
  5. Testing vs debugging
  6. Software maintenance — types, process, tools

Learning outcomes

After Unit IV you should be able to:

  • Distinguish verification and validation
  • Describe four levels of testing with examples
  • Apply black-box techniques (equivalence partitioning, BVA, decision table)
  • Apply white-box techniques (statement, branch, path coverage, cyclomatic complexity)
  • Differentiate testing and debugging
  • Explain four types of software maintenance with proportions

Topic map

Chapter mapping (IPU)

  • TB1 (K.K. Aggarwal): Chapters 8, 9
  • TB2 (Sommerville): Chapter 8

Typical exam weight

Unit IV usually contributes 2 long questions — testing methods are guaranteed:

  • Differentiate black-box and white-box testing — 12.5 marks
  • Explain levels of testing — 12.5 marks
  • Compute cyclomatic complexity for given code — 12.5 marks (numerical)
  • Discuss types of software maintenance — short answer or 12.5 marks