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CPP253 Data Structures Linked Lists Quiz

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Questions and Answers

What is the main advantage of using a linked list over an array?

Linked lists allow for efficient storage of elements in random locations (correct)
Arrays have a limited number of elements they can store
Arrays store elements in consecutive memory locations
Linked lists are easier to implement than arrays

What is a basic difference between a linked list and an array?

Linked lists have a fixed size during declaration
Linked lists can only store a limited number of elements
Arrays store elements in consecutive memory locations (correct)
Arrays allow for efficient storage of elements in random locations

Why might one want to use a linked list instead of an array?

To remove restrictions on the maximum number of elements and the storage condition (correct)
To have a fixed size during declaration
To limit the number of elements that can be stored
To ensure efficient storage in consecutive memory locations

What does it mean that linked lists can store elements randomly at any location?

Elements can be stored at any memory location without the need for consecutive storage (D) Signup and view all the answers

Which data structure is a linear collection of data elements with a limited number of elements that are stored in consecutive memory locations?

Array (D) Signup and view all the answers

What is the disadvantage of arrays compared to linked lists?

Arrays have a limited number of elements they can store (A) Signup and view all the answers

What is a disadvantage of a linked list?

It does not store elements in consecutive memory locations (D) Signup and view all the answers

What is the advantage of a linked list?

Insertions and deletions can be done at any point in the list in a constant time (A) Signup and view all the answers

What does a linked list contain?

Data elements called nodes with links from one node to the next node (C) Signup and view all the answers

What is the purpose of a pointer to the next node in a linked list?

To link one node to the next node in the sequence (D) Signup and view all the answers

What does a NULL pointer signify in a linked list?

The end of the list (C) Signup and view all the answers

In the context of a linked list, what does the pointer variable START store?

The address of the first node in the list (D) Signup and view all the answers

What do we mean by 'self-referential data type' in the context of a linked list?

Data type that refers to itself (B) Signup and view all the answers

What is meant by 'traverse the entire list' in the context of a linked list?

Accessing all elements of the list sequentially (D) Signup and view all the answers

What is stored in the NEXT field of a node in a linked list?

The address of the previous node (C) Signup and view all the answers

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