Which term refers to a linked list where each node has pointers to both the next and previous nodes?
Difficulty: Medium
About this MCQ
This Medium Data Structures question asks: Which term refers to a linked list where each node has pointers to both the next and previous nodes? The correct choice is C. Doubly linked list. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Data Structures items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Data Structures so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Data Structures item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. Graph
Why not A: “Graph” does not fit this question. The answer is Doubly linked list.
- B. Binary search tree
Why not B: “Binary search tree” does not fit this question. The answer is Doubly linked list.
- C. Doubly linked list ✓
- D. Linked list
Why not D: “Linked list” does not fit this question. The answer is Doubly linked list.
Correct answer
C. Doubly linked list
Explanation
Doubly linked list is the term that matches “Which term refers to a linked list where each node has pointers to both the next and previous nodes” (option C). Option A (Graph) does not fit this question. Option B (Binary search tree) does not fit this question. Option D (Linked list) does not fit this question. For this Data Structures question, the accepted answer is Doubly linked list.
Source: Data Structures Official Reference Guide
Tags: computer science, data structures, algorithms, programming
Submitted by: MCQsHub Editorial
Related MCQs
- The following statement describes a specific concept. What is it called? a linked list in which the last node...
- What is the name for a structure that stores elements in contiguous memory locations, allowing constant-time i...
- What is Trie primarily used for?
- Which of the following best describes Array (contiguous memory)?
- Which concept is defined as follows: a tree-like data structure used to efficiently store and retrieve strings...
- Identify the correct concept described as: a self-balancing binary search tree where the height difference bet...