Stacks in Computer Science Quiz
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Questions and Answers

What are the two main operations of a stack?

  • Insert and Delete
  • Push and Pop (correct)
  • Enqueue and Dequeue
  • Add and Remove
  • What does LIFO stand for in the context of a stack?

  • First In, First Out
  • Last In, Last Out
  • First In, Last Out
  • Last In, First Out (correct)
  • What does the peek operation do in a stack?

  • Return the value of the first element added
  • Return the value of the last element added (correct)
  • Remove the last element added
  • Remove the first element added
  • What kind of data structure is a stack considered to be?

    <p>Linear data structure</p> Signup and view all the answers

    What analogy is used to describe the name 'stack' in computer science?

    <p>A set of physical items stacked one atop another</p> Signup and view all the answers

    What term is used to describe the order in which an element is added to or removed from a stack?

    <p>Last in, first out</p> Signup and view all the answers

    Which operation in a stack allows retrieving the value of the last element added without modifying the stack?

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

    What kind of data structure is a stack considered to be?

    <p>Linear data structure</p> Signup and view all the answers

    Where do the push and pop operations occur in a stack?

    <p>Both occur at the top of the stack</p> Signup and view all the answers

    What does the analogy of a 'stack of plates' illustrate about a stack data structure?

    <p>Elements are accessed in reverse order</p> Signup and view all the answers

    Study Notes

    Stack Operations

    • The two main operations of a stack are push and pop.

    Stack Characteristics

    • LIFO stands for Last-In-First-Out in the context of a stack.
    • A stack is considered a Last-In-First-Out (LIFO) data structure.

    Peek Operation

    • The peek operation retrieves the value of the last element added to the stack without modifying the stack.

    Data Structure Classification

    • A stack is a type of Linear Data Structure.

    Stack Analogy

    • The term 'stack' in computer science is analogous to a stack of plates, where elements are added and removed from the top.

    Element Ordering

    • The term used to describe the order in which an element is added to or removed from a stack is Last-In-First-Out (LIFO).

    Push and Pop Operations

    • The push and pop operations occur at the top of the stack.

    Stack Illustration

    • The analogy of a 'stack of plates' illustrates that elements are added and removed from the top of the stack, following the Last-In-First-Out (LIFO) principle.

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    Description

    Test your knowledge of stacks in computer science with this quiz. Explore the key operations of push, pop, and peek, and enhance your understanding of this fundamental abstract data type.

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