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?

    <p>Elements can be stored at any memory location without the need for consecutive storage</p> 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?

    <p>Array</p> Signup and view all the answers

    What is the disadvantage of arrays compared to linked lists?

    <p>Arrays have a limited number of elements they can store</p> Signup and view all the answers

    What is a disadvantage of a linked list?

    <p>It does not store elements in consecutive memory locations</p> Signup and view all the answers

    What is the advantage of a linked list?

    <p>Insertions and deletions can be done at any point in the list in a constant time</p> Signup and view all the answers

    What does a linked list contain?

    <p>Data elements called nodes with links from one node to the next node</p> Signup and view all the answers

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

    <p>To link one node to the next node in the sequence</p> Signup and view all the answers

    What does a NULL pointer signify in a linked list?

    <p>The end of the list</p> Signup and view all the answers

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

    <p>The address of the first node in the list</p> Signup and view all the answers

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

    <p>Data type that refers to itself</p> Signup and view all the answers

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

    <p>Accessing all elements of the list sequentially</p> Signup and view all the answers

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

    <p>The address of the previous node</p> Signup and view all the answers

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