Book 4: Practical Programming
Book 4 · Chapter P4.4
Testing and evidence
§12.3AS skills Paper 4 builds onRegular · ≈ 3.7 m · ↗
B4·4This chapter is being written.
Everything the site already has for it is below — each with the short code the book prints beside it.
For the whole chapter
- Topic pageSoftware Development
B4·4·T - QuizSoftware Development
B4·4·Q1 - LabStructure charts
B4·4·X1 - LabState-transition diagrams
B4·4·X2 - LabTest data, validation & check digits
B4·4·X3
§12.3 Program testing · Program maintenance
Short code B4·4·1
- FlashcardsFlashcards §12.3: Testing, errors & maintenance
B4·4·F1 - Past-paper questionsPast-paper questions §12.3 (program-testing)
- Past-paper questionsPast-paper questions §12.3 (program-maintenance)
Workbook 4: Testing and evidence
Short code W4·4 · Practical Programming Task Book
The write-in workbook for this chapter — drills, exam-style practice, trace tables, fix-the-mistake and mark-it-yourself pages. Its full mark schemes and an interactive version arrive here with the chapter.
Starter files
Short code W4·4·K
Data files and skeleton code in Python, VB.NET, Java for this chapter's tasks arrive here with the chapter.


