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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. 331) When converting binary tree into extended binary tree, all the original nodes in binary tree are___________.

(A) internal nodes on extended tree.
(B) external nodes on extended tree.
(C) vanished on extended tree.
(D) post order traversal.
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Mr. Dubey • 51.17K Points
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Q. 332) Which of the following conditions checks available free space in avail list?

(A) Avail=Top
(B) Null=Avail
(C) Avail=Null
(D) Avail=Max stack
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Mr. Dubey • 51.17K Points
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Q. 333) Which of the following sorting algorithm is of divide-and-conquer type?

(A) Bubble sort.
(B) Insertion sort.
(C) Quick sort.
(D) Algorithm.
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Mr. Dubey • 51.17K Points
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Q. 334) STACK is also called as ______________.

(A) FIFO
(B) LIFO
(C) FOLI
(D) FOFI
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Mr. Dubey • 51.17K Points
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Q. 335) Collection of related data items is called _______.

(A) files
(B) fields
(C) attributes.
(D) records.
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Mr. Dubey • 51.17K Points
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Q. 336) Breadth First search is used in____________.

(A) binary tree.
(B) stacks.
(C) graphs.
(D) both a and c.
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Mr. Dubey • 51.17K Points
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Q. 337) A variable whose size is determined at compile time and cannot be changed at run time is_________.

(A) static variable.
(B) dynamic variable.
(C) not a variable.
(D) data variable.
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Mr. Dubey • 51.17K Points
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Q. 338) Process of inserting an element in stack is called ____________.

(A) Create
(B) Push
(C) Evaluation
(D) Pop
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Mr. Dubey • 51.17K Points
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Q. 339) Length of linear array can be found by using the formula_________

(A) UB-LB+1
(B) LB+UB
(C) LB-UB
(D) LB-UB+1
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Mr. Dubey • 51.17K Points
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Q. 340) The average number of key comparisons done in a successful sequential search in a list of length n is___________.

(A) log n
(B) n-1/2.
(C) n/2.
(D) n+1/2.
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