1. Which of the following is not the application of stack?

DataStructures

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Other
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Professional Development
•
Hard
Mohanapriya P
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
a) Data Transfer between two asynchronous process
b) Compiler Syntax Analyzer
c) Tracking of local variables at run time
d) A parentheses balancing program
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2. What is a data structure?
a) A programming language
b) A collection of algorithms
c) A way to store and organize data
d) A type of computer hardware
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3. Which of the following statement(s) about stack data structure is/are NOT correct?
a) Top of the Stack always contain the new node
b) Stack is the FIFO data structure
c) Null link is present in the last node at the bottom of the stack
d) Linked List are used for implementing Stacks
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4. Which of the following is not the type of queue?
a) Priority queue
b) Circular queue
c) Single ended queue
d) Ordinary queue
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.What will be the output?
import java.util.*;
class Main
{
public static void main(String args[])
{
String str="Technical";
Stack<Character> s=new Stack<>();
for(int i=0;i<str.length();i++)
{
char c=str.charAt(i);
s.push(c);
}
s.pop();
s.peek();
s.pop();
System.out.println(s);
}
}
[T, e, c, h, n, i, c]
[T, e, c, h, n, i, c, a]
[T, e, c, h, n, i]
[T, e, c, h, n, i, c, a, l]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. What will be the output?
public class Main
{
public static void main(String args[])
{
int []arr = {1,2,3,4,5};
System.out.println(arr[4]);
System.out.println(arr[5]);
}
}
a)
4
5
b) ArrayIndexOutOfBoundsException
5
c) ArrayIndexOutOfBoundsException
d)
5
ArrayIndexOutOfBoundsException
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
8. Which of the real world scenarios would you associate with a stack data structure?
a) offer services based on the priority of the customer
b) piling up of the chairs one after the other
c) people standing a line to be serviced at a counter
d) tatkal ticket booking in IRCTC
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