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9 Designing algorithms The context for the design process Top-down design Structure diagrams
10 Checking inputs 10.1 10.2 10.3 10.4 10.5
Validation and verification 142 Categories of validation 142 Programming validation 144 Verification 151 Check digit 152
11 Testing
156 157
12.1 12.2 12.3
Suggestions for tackling the question 169 Coding a solution 172 Final thoughts 173
13 Examination practice
178
Appendix – Language-specific reference and OOP
189
Glossary
194
P
Categories of error The testing framework
12 Programming scenario task
Solutions
S
A
M
11.1 11.2
133 135 135
Debugging 159 Using a debugger 160 Using a trace table in a dry-run 164
LE
9.1 9.2 9.3
11.3 11.4 11.5
vii Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication.
