
Data Structures Quiz
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Information Technology (IT)
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University
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Practice Problem
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Medium
Senthil jayamohan
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the following is a linear data structure?
Tree
Graph
Stack
Hash table
2.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
What is the time complexity of inserting an element at the beginning of a singly linked list?
O(n)
O(1)
O(log n)
O(n log n)
3.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which operation removes an element from a stack?
Enqueue
Dequeue
Pop
Insert
4.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
What does the 'next' pointer in a singly linked list point to?
Head
Previous node
Next node
Tail
5.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which data structure works on the principle of FIFO?
Stack
Queue
Tree
Graph
6.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the following is NOT an application of stack?
Recursion
Function call tracking
Level-order traversal
Expression evaluation
7.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
In array representation of a stack, the top is initialized as:
0
-1
NULL
size
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