SLIIT - Data Structures and Algorithms: Queue Operations
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Questions and Answers

What is the purpose of peekFront() method in a Circular Queue?

  • To remove the front element of the queue
  • To check if the queue is empty
  • To check if the queue is full
  • To retrieve the front element without removing it (correct)
  • In a Circular Queue, what happens when the rear reaches the end of the array?

  • The front index is reset to 0
  • An exception is thrown
  • The rear index is reset to 0 (correct)
  • The queue is considered full
  • What condition causes the 'Queue is empty' message to be displayed in a Circular Queue removal?

  • front == maxSize
  • rear == -1
  • rear == maxSize - 1
  • nItems == 0 (correct)
  • Which method allows checking if a Circular Queue is at full capacity?

    <p>isFull()</p> Signup and view all the answers

    What happens in a Linear Queue when trying to insert an element into a full queue?

    <p>An exception is thrown</p> Signup and view all the answers

    Which of the following is NOT considered a core aspect of self-awareness according to the text?

    <p>Cognitive style and cognitive processes</p> Signup and view all the answers

    What type of capital does 'Positive Psychological Capital' represent according to the information provided?

    <p>Who you are</p> Signup and view all the answers

    According to the information provided, which of the following is NOT a core aspect of self-awareness?

    <p>Emotional intelligence</p> Signup and view all the answers

    What is the primary focus of Positive Psychological Capital based on the information provided?

    <p>Cultivating positive psychological resources and strengths</p> Signup and view all the answers

    Which of the following is NOT listed as a core aspect of self-awareness in the text?

    <p>Self-efficacy and confidence</p> Signup and view all the answers

    According to the information provided, which of the following is a key component of Positive Psychological Capital?

    <p>Cultivating positive psychological resources</p> Signup and view all the answers

    What is the primary focus of the 'Cognitive Style & Cognitive Processes' lecture as mentioned in the text?

    <p>The core aspects of self-awareness</p> Signup and view all the answers

    According to the information provided, which of the following is NOT considered a traditional form of capital?

    <p>Positive Psychological Capital</p> Signup and view all the answers

    What is the primary focus of the 'Positive Phycology' application discussed in the text?

    <p>Enhancing positive psychological resources</p> Signup and view all the answers

    Which of the following is NOT considered a core aspect of self-awareness according to the information provided?

    <p>Job satisfaction across cultures</p> Signup and view all the answers

    Study Notes

    Emotional Intelligence

    • Emotional Intelligence (EI) is the capacity for recognizing our own feelings and those of others, for motivating ourselves, and managing emotions well in ourselves and in our relationships.
    • EI is composed of:
      • Perceiving emotions
      • Reasoning with emotions
      • Understanding emotions
      • Managing emotions

    Characteristics of Emotional Intelligence

    • Emotionally mature individuals recognize their own anger and react to emotions of self and others.
    • They have a "can do" approach, believing that they can succeed if they see others like themselves succeed.

    Types of Emotions

    • Primary emotions:
      • Positive: love, happiness, surprise, acceptance
      • Negative: fear, sadness, anger, disgust, shame
    • Other descriptors:
      • Anxiety, alarm, apprehension, concern, qualm, dread, fright, terror
      • Grief, disappointment, sorrow, gloom, despair, suffering, dejection
      • Outrage, exasperation, wrath, indignation, hostility, irritability
      • Contempt, disdain, abhorrence, revulsion, distaste
      • Guilt, remorse, regret, embarrassment, humiliation

    Daniel Gardner's Multiple Intelligences

    • Original intelligences:
      • Logical/mathematical
      • Verbal/linguistic
      • Interpersonal
      • Intrapersonal
      • Visual/spatial
      • Musical
      • Bodily/kinesthetic
    • "New" intelligences:
      • Naturalist
      • Existential
      • Emotional Intelligence

    Queue Data Structure

    • A queue is a First-In-First-Out (FIFO) data structure.
    • Operations:
      • Insert: adds an element to the end of the queue.
      • Remove: removes an element from the front of the queue.
      • PeekFront: returns the element at the front of the queue without removing it.
    • Implementation:
      • Using an array with restricted access.
      • Constructor creates a new queue of a specified size.
      • Variables:
        • maxSize: size of the queue array.
        • front: index of the item at the front of the queue.
        • rear: index of the item at the end of the queue.
        • nItems: number of items in the queue.

    Implementing Queue Methods

    • Insert:
      • Check if the queue is full.
      • Increment rear and add the item to the queue.
    • Remove:
      • Check if the queue is empty.
      • Access the item at the front of the queue and increment front.
    • PeekFront:
      • Check if the queue is empty.
      • Access the item at the front of the queue.

    Applications of Queue

    • Printer queue.
    • Stores keystroke data as you type at the keyboard.
    • Pipeline.
    • Used in operating systems.

    Circular Queue

    • A circular queue is a queue where the last position is connected back to the first position.
    • Implementation:
      • Insert: check if the queue is full, and if rear is at the end of the array, wrap around to the beginning.
      • Remove: check if the queue is empty, and if front is at the end of the array, wrap around to the beginning.

    Questions and Answers

    • Question 01: Draw the queue frame after performing the given operations.
    • Question 02: Implement isEmpty() and isFull() methods of the queue class.
    • Question 04: Draw the queue frame after performing the given operations on a circular queue.
    • Question 05: Implement isFull(), isEmpty(), and peekFront() methods of the circular queue class.
    • Question 06: Create a program to create a queue with a maximum size of 10 and insert the given items to the queue. Delete all items from the queue and display the deleted items.

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    Description

    Test your understanding of queue operations with this SLIIT - Faculty of Computing Data Structures and Algorithms quiz. Learn how to manipulate a queue by inserting items, peeking at the front item, and removing elements. Visualize the changes to the queue frame as you perform each operation.

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