decision table

Question 1

how to simplify decision table?

Answer 1

identify inputs w same outputs, find difference in inputs & change it to ‘-‘ (bc the difference in input X affect output) merge these two columns into one

Question 2

how does the conditions of decision table look like?

Answer 2

written such that its a func name, easily copy pasted into pseudocode (typical follow up question)

Question 3

how does decision table look like?

Answer 3

____________________| rules
conditions | cond1 | YYYYNNNN
___________| cond2 | YYNNYYNN
___________| cond3 | YNYNYNYN
actions____| action1| (X/-)
___________| action2 |

Question 4

advantages of decision table (not out yet)

Answer 4

• concise descriptions of logically complex situations
• easier to draw & change than flowcharts

Question 5

disadvantages of decision table (not out yet)

Answer 5

• large decision table can become incomprehensible & difficult to modify
• more difficult to understand compared to flowcharts