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Dear candidates you will find MCQ questions of Data Structure (DS) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.17K Points
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Q. 131) if there are no nodes in linked list then start pointer will point at which value?

(A) null
(B) garbage
(C) 1
(D) 2
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Mr. Dubey • 51.17K Points
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Q. 132) Worst space complexity of queue data structure is

(A) o(n)
(B) o(log(n))
(C) o(1)
(D) n/a
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Mr. Dubey • 51.17K Points
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Q. 133) Worst space complexity of stack data structure is

(A) o(log(n))
(B) o(1)
(C) n/a
(D) o(n)
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Mr. Dubey • 51.17K Points
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Q. 134) Worst space complexity of singly linked list is

(A) o(n)
(B) o(1)
(C) o(log(n))
(D) n/a
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Mr. Dubey • 51.17K Points
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Q. 135) Minimum number of fields in each node of a doubly linked list is____

(A) 2
(B) 3
(C) 4
(D) None of the above
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Mr. Dubey • 51.17K Points
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Q. 136) A graph in which all vertices have equal degree is known as ____

(A) Complete graph
(B) Regular graph
(C) Multi graph
(D) Simple graph
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Mr. Dubey • 51.17K Points
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Q. 137) A vertex of in-degree zero in a directed graph is called a/an

(A) Root vertex
(B) Isolated vertex
(C) Sink
(D) Articulation point
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Mr. Dubey • 51.17K Points
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Q. 138) A graph is a tree if and only if graph is

(A) Directed graph
(B) Contains no cycles
(C) Planar
(D) Completely connected
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Mr. Dubey • 51.17K Points
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Q. 139) The elements of a linked list are stored

(A) In a structure
(B) In an array
(C) Anywhere the computer has space for them
(D) In contiguous memory locations
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Mr. Dubey • 51.17K Points
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Q. 140) A parentheses checker program would be best implemented using

(A) List
(B) Queue
(C) Stack
(D) Any of the above
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