GATE | GATE-CS-2009 | Question 50

Consider the following statements about the cyclomatic complexity of the control flow graph of a program module. Which of these are TRUE?

I. The cyclomatic complexity of a module is equal to the maximum number of 
   linearly independent circuits in the graph.
II. The cyclomatic complexity of a module is the number of decisions in the 
    module plus one,where a decision is effectively any conditional statement 
    in the module.
III.The cyclomatic complexity can also be used as a number of linearly 
     independent paths that should be tested during path coverage testing. 

(A) I and II
(B) II and III
(C) I and III
(D) I, II and III


Answer: (B)

Explanation:

TRUE: The cyclomatic complexity of a module is the number of decisions in the 
     module plus one,where a decision is effectively any conditional statement 
     in the module.
TRUE: The cyclomatic complexity can also be used as a number of linearly 
     independent paths that should be tested during path coverage testing. 

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