1. DESICION TABLE
Decision tables are precise and compact way to model complicated logic.
Decision table is useful when input and output data can be expressed as Boolean Conditions ( TRUE, FALSE and Don’t Care )
Decision Table

2. A sample decision table is given: In the table, the conditions represent possible input conditions. The actions are the events that should trigger, depending upon the makeup of the input conditions. Each column in the table is a unique combination of input conditions (and is called a rule) that result in triggering the action(s) associated with the rule. Each rule (or column) should become a test case.
Decision Table

3. Decision Table

4. Decision Table