DigitalLogicDesign
October 14, 2023BooleanAlgebra
October 14, 2023Nielit ScientistB IT 22072017
Question 5

In a given following graph among the following sequences:
i)abeghf
ii)abfehg
iii)abfhge
iv)afghbe
Which are depth first traversals of the above graph?
i)abeghf
ii)abfehg
iii)abfhge
iv)afghbe
Which are depth first traversals of the above graph?
I,II and IV only


I and IV only


II,III and IV only


I,III and IV only

Question 5 Explanation:
The basic idea of DFS is
● Pick a starting node and push all its adjacent nodes into a stack.
● Pop a node from stack to select the next node to visit and push all its adjacent nodes into a stack.
● Repeat this process until the stack is empty. However, ensure that the nodes that are visited are marked.
● This will prevent you from visiting the same node more than once. If you do not mark the nodes that are visited and you visit the same node more than once, you may end up in an infinite loop.
● Pick a starting node and push all its adjacent nodes into a stack.
● Pop a node from stack to select the next node to visit and push all its adjacent nodes into a stack.
● Repeat this process until the stack is empty. However, ensure that the nodes that are visited are marked.
● This will prevent you from visiting the same node more than once. If you do not mark the nodes that are visited and you visit the same node more than once, you may end up in an infinite loop.
Correct Answer: D
Question 5 Explanation:
The basic idea of DFS is
● Pick a starting node and push all its adjacent nodes into a stack.
● Pop a node from stack to select the next node to visit and push all its adjacent nodes into a stack.
● Repeat this process until the stack is empty. However, ensure that the nodes that are visited are marked.
● This will prevent you from visiting the same node more than once. If you do not mark the nodes that are visited and you visit the same node more than once, you may end up in an infinite loop.
● Pick a starting node and push all its adjacent nodes into a stack.
● Pop a node from stack to select the next node to visit and push all its adjacent nodes into a stack.
● Repeat this process until the stack is empty. However, ensure that the nodes that are visited are marked.
● This will prevent you from visiting the same node more than once. If you do not mark the nodes that are visited and you visit the same node more than once, you may end up in an infinite loop.
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