Flashcards on Queue
Queue Data Structure Explained: FIFO Principle & Implementations
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Queue Data Structure
55 cards
Card 1
Question: What is a queue in computer science?
Answer: A fundamental linear data structure that models a collection of elements, adhering to the First-In, First-Out (FIFO) principle.
Card 2
Question: What is the defining characteristic of a queue?
Answer: Its adherence to the First-In, First-Out (FIFO) principle.
Card 3
Question: In a queue, which end are elements added to?
Answer: The rear or tail.
Card 4
Question: In a queue, which end are elements removed from?
Answer: The front or head.
Card 5
Question: What does the Enqueue operation do in a queue?
Answer: Adds a new element to the rear of the queue.
Card 6
Question: What does the Dequeue operation do in a queue?
Answer: Removes the element from the front of the queue.
Card 7
Question: What is the result of attempting to dequeue from an empty queue?
Answer: Typically results in an error or an empty value.
Card 8
Question: What does the Peek operation allow you to do in a queue?
Answer: Inspect the element at the front of the queue without removing it.
Card 9
Question: What does the IsEmpty operation check in a queue?
Answer: If the queue contains any elements, returning true if empty and false otherwise.
Card 10
Question: For queues with a fixed maximum capacity, what does the IsFull operation check?
Answer: If the queue has reached its limit, returning true if full and false otherwise.