The following statement describes a specific concept. What is it called? a linked list in which the last node points back to the first node, forming a loop.
Difficulty: Medium
About this MCQ
This Medium Data Structures question asks: The following statement describes a specific concept. What is it called? a linked list in which the last node points back to the first node, forming a loop. The correct choice is B. Circular 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.
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- A. Queue
Why not A: “Queue” does not fit this question. The answer is Circular linked list.
- B. Circular linked list ✓
- C. Graph
Why not C: “Graph” does not fit this question. The answer is Circular linked list.
- D. Binary tree
Why not D: “Binary tree” does not fit this question. The answer is Circular linked list.
Correct answer
B. Circular linked list
Explanation
Circular linked list (option B) is the accepted answer to “The following statement describes a specific concept. What is it called? a linked list in which the last node points back to the first node, forming a loop.”. Option A (Queue) does not fit this question. Option C (Graph) does not fit this question. Option D (Binary tree) does not fit this question. For this Data Structures question, the accepted answer is Circular linked list.
Source: Data Structures Official Reference Guide
Tags: computer science, data structures, algorithms, programming
Submitted by: MCQsHub Editorial
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