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Test: Linked List - 1 - Software Development MCQ


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15 Questions MCQ Test - Test: Linked List - 1

Test: Linked List - 1 for Software Development 2024 is part of Software Development preparation. The Test: Linked List - 1 questions and answers have been prepared according to the Software Development exam syllabus.The Test: Linked List - 1 MCQs are made for Software Development 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Linked List - 1 below.
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Test: Linked List - 1 - Question 1

Which of the following statements is true about a linked list?

Detailed Solution for Test: Linked List - 1 - Question 1

In a linked list, each node contains a data element and a pointer to the next node.

Test: Linked List - 1 - Question 2

Which of the following is an advantage of a linked list over an array?

Detailed Solution for Test: Linked List - 1 - Question 2

Unlike arrays, linked lists have a dynamic size that can be modified during runtime.

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Test: Linked List - 1 - Question 3

Which of the following is a disadvantage of a linked list?

Detailed Solution for Test: Linked List - 1 - Question 3

Linked lists provide slower access to elements compared to arrays, as they require traversing the list to reach a specific element.

Test: Linked List - 1 - Question 4

Which of the following is not a type of linked list?

Detailed Solution for Test: Linked List - 1 - Question 4

Array linked list is not a type of linked list. The correct types are singly linked list, doubly linked list, and circular linked list.

Test: Linked List - 1 - Question 5

In a singly linked list, each node contains a data element and a pointer to the _______ node.

Detailed Solution for Test: Linked List - 1 - Question 5

In a singly linked list, each node contains a data element and a pointer to the next node in the sequence.

Test: Linked List - 1 - Question 6

Which of the following statements about inserting a new node at the end of a linked list is true?

Detailed Solution for Test: Linked List - 1 - Question 6

To insert a new node at the end of a linked list, you need to traverse the entire list to find the last node.

Test: Linked List - 1 - Question 7

Which of the following statements about inserting a new node at the beginning of a linked list is true?

Detailed Solution for Test: Linked List - 1 - Question 7

Inserting a new node at the beginning of a linked list can be done in constant time by adjusting the pointers.

Test: Linked List - 1 - Question 8

Which of the following operations can be performed efficiently on a linked list?

Detailed Solution for Test: Linked List - 1 - Question 8

Removing an element from the middle of a linked list requires traversing the list to find the node to be deleted.

Test: Linked List - 1 - Question 9

What will be the output of the following code?
#include <iostream>
using namespace std;

struct Node {
    int data;
    Node* next;
};

int main() {
    Node* head = NULL;
    Node* temp = new Node();
    temp->data = 5;
    temp->next = NULL;
    head = temp;
    cout << head->data << endl;
    return 0;
}

Detailed Solution for Test: Linked List - 1 - Question 9

The code creates a linked list with a single node containing the value 5. The output will be 5.

Test: Linked List - 1 - Question 10

What is the time complexity of inserting a node at the beginning of a linked list?

Detailed Solution for Test: Linked List - 1 - Question 10

Inserting a node at the beginning of a linked list takes constant time, as it involves adjusting the pointers.

Test: Linked List - 1 - Question 11

Which of the following operations requires traversing the entire linked list?

Detailed Solution for Test: Linked List - 1 - Question 11

Searching for an element in a linked list requires traversing the entire list until the element is found or the end of the list is reached.

Test: Linked List - 1 - Question 12

Which type of linked list allows traversal in both directions?

Detailed Solution for Test: Linked List - 1 - Question 12

Doubly linked lists allow traversal in both directions by having pointers to both the previous and next nodes.

Test: Linked List - 1 - Question 13

Which of the following statements about a circular linked list is true?

Detailed Solution for Test: Linked List - 1 - Question 13

A circular linked list can be implemented using a singly linked list, and it requires a pointer to the first node only.

Test: Linked List - 1 - Question 14

What is the time complexity of searching for an element in a linked list?

Detailed Solution for Test: Linked List - 1 - Question 14

Searching for an element in a linked list takes O(n) time in the worst case, as you may need to traverse the entire list.

Test: Linked List - 1 - Question 15

What is the output of the following code?
#include <iostream>
using namespace std;

struct Node {
    int data;
    Node* next;
};

void printList(Node* head) {
    Node* current = head;
    while (current != NULL) {
        cout << current->data << " ";
        current = current->next;
    }
}

int main() {
    Node* head = NULL;
    Node* temp = new Node();
    temp->data = 1;
    temp->next = NULL;
    head = temp;
    temp = new Node();
    temp->data = 2;
    temp->next = NULL;
    head->next = temp;
    printList(head);
    return 0;
}

Detailed Solution for Test: Linked List - 1 - Question 15

The code creates a linked list with two nodes containing the values 1 and 2. The printList function outputs the elements of the linked list.

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