Software Development

Worked examples (6)

• 1Read a structure chart and list its modules
• 2Identify parameters passed between modules
• 3Construct a structure chart for a given problem
• 4Derive pseudocode from a structure chart
• 5Interpret and construct a state-transition diagram
• 6Decompose, chart and document a vending-machine routine

Model answers (6)

• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style

Worked examples (6)

• 1Name and order the five life-cycle stages
• 2Explain the purpose of a development life cycle
• 3Describe the waterfall model and one drawback
• 4Iterative model — principle and benefit
• 5RAD for a project with unclear requirements
• 6Choose and justify a model for two contrasting projects

Model answers (6)

• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style

Worked examples (6)

• 1Name the three types of program error
• 2Find and correct a syntax error
• 3Choose normal, abnormal and boundary test data
• 4Dry run (trace table) a loop
• 5Choose and justify a testing method
• 6Classify maintenance and amend functionality

Model answers (6)

• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style
• ✓Model answer — 9618 Paper 2 style