CompilerDesign
October 7, 2023DatabaseManagementSystem
October 7, 2023NICNIELIT ScientistB 2020
Question 66 
Which one of the following statements is incorrect?
The number of regions corresponds to the cyclomatic complexity.  
Cyclomatic complexity for a flow graph G is V(G) = N – E + 2, where E is the number of edges and N is the number of nodes in flow graph.  
Cyclomatic complexity for a flow graph G is V(G) = E – N + 2, where E is the number of edges and N is the number of nodes in flow graph.  
Cyclomatic complexity for a flow graph G is V(G) = P + 1, where P is the number of predicate nodes contained in the flow graph G.

Question 66 Explanation:
To find the cyclomatic complexity using three formulas.
The number of regions
Predicate(P) + 1 [ Predicate divides minimum 2 or more ]
EN+2
The number of regions
Predicate(P) + 1 [ Predicate divides minimum 2 or more ]
EN+2
Correct Answer: B
Question 66 Explanation:
To find the cyclomatic complexity using three formulas.
The number of regions
Predicate(P) + 1 [ Predicate divides minimum 2 or more ]
EN+2
The number of regions
Predicate(P) + 1 [ Predicate divides minimum 2 or more ]
EN+2
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