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GATE 2015 [Set-2]
April 4, 2025GATE 2015 [Set-2]
April 4, 2025GATE 2015 [Set-2]
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Question 20
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In the context of abstract-syntax-tree (AST) and control-flow-graph (CFG), which one of the following is TRUE?
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In both AST and CFG, let node, N2 be the successor of node N1. In the input program, the code corresponding to N2 is present after the code corresponding in N1.
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For any input program, neither AST nor CFG will contain a cycle
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The maximum number of successors of a node in an AST and a CFG depends on the input program
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Each node is AST and CFG corresponds to at most one statement in the input program
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Question 20 Explanation:
Optional (A) is not true when CFG contains cycle
Option (B) is false as CFG can contain cycle
Option (D) is false as a single node can contain block of statements.
Option (B) is false as CFG can contain cycle
Option (D) is false as a single node can contain block of statements.
Correct Answer: C
Question 20 Explanation:
Optional (A) is not true when CFG contains cycle
Option (B) is false as CFG can contain cycle
Option (D) is false as a single node can contain block of statements.
Option (B) is false as CFG can contain cycle
Option (D) is false as a single node can contain block of statements.