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Module 2: Requirements & SRS

20262m

Which representation is most suitable for showing different actions corresponding to combinations of conditions?

(i) Decision table
(ii) Data dictionary
(iii) Structure chart
(iv) Control-flow graph

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Solution

Correct Answer: (i) Decision table

Explanation

A decision table lists conditions and the actions to take for each combination of those conditions, in a compact tabular form. Each column (rule) maps one combination of condition values to its actions, which makes it ideal for complex business logic.

Why other options are incorrect:

  • (ii) Data dictionary - stores definitions of data items.
  • (iii) Structure chart - shows the module hierarchy and calls.
  • (iv) Control-flow graph - shows the flow of control in a program (used for path testing and cyclomatic complexity).

Answer: (i) Decision table

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