GkSeries.com

Data Structures and Algorithms MCQs | Objective Questions Answers

(41) One can convert a binary tree into its mirror image by traversing it in
[A] inorder
[B] preorder
[C] postorder
[D] None of the above

Comment

Answer: Option [C]
(42) The data structure required to evaluate a postfix expression is
[A] queue
[B] stack
[C] linked-list
[D] All of the above

Comment

Answer: Option [B]

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

(43) Which of the following sorting methods would be most suitable for sorting a list which is almost sorted
[A] Insertion Sort
[B] Selection Sort
[C] Quick Sort
[D] Bubble Sort

Comment

Answer: Option [D]
(44) The process of accessing data stored in a serial access memory is similar to manipulating data on a
[A] heap
[B] queue
[C] stack
[D] None of the above

Comment

Answer: Option [C]
(45) The postfix form of A*B+C/D is
[A] ABCD+/*
[B] AB*CD/+
[C] *AB/CD+
[D] A*BC+/D

Comment

Answer: Option [B]
(46) A linear collection of data elements where the linear node is given by means of pointer is called
[A] linked list
[B] node list
[C] primitive list
[D] None of these

Comment

Answer: Option [A]
(47) Representation of data structure in memory is known as:
[A] storage structure
[B] file structure
[C] abstract data type
[D] None of the above

Comment

Answer: Option [C]
(48) The goal of hashing is to produce a search that takes
[A] O(1) time
[B] O(n2) time
[C] O(log n) time
[D] O(n log n) time

Comment

Answer: Option [A]
(49) The complexity of multiplying two matrices of order m*n and n*p is
[A] np
[B] mn+p
[C] mn
[D] mnp

Comment

Answer: Option [D]
(50) For an undirected graph with n vertices and e edges, the sum of the degree of each vertex is equal to
[A] 2n
[B] 2e
[C] (e2+1)/2
[D] (2n-1)/2

Comment

Answer: Option [B]

Please share this page

Click Here to Read more questions

Teacher Eligibility Test