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Question: What is the result of popping an element from an empty stack?Options: The top element is r..
Question: Which data structure would you use to implement a breadth-first search (BFS)?Options: Stac..
Question: What is the time complexity of dequeuing an element from a queue implemented using a linke..
Question: How can stacks be used to check for balanced parentheses in an expression?Options: By coun..
Question: What is the main advantage of using a queue in numerical applications?Options: It allows r..
Question: Which data structure would you use to implement a function that needs to backtrack?Options..
Question: Which of the following is a common application of stacks in numerical computations?Options..
Question: In which scenario would a queue be more appropriate than a stack?Options: When you need to..
Question: What is the primary use of a stack in numerical applications?Options: To store data in a s..
Question: Which of the following scenarios is best suited for using a stack?Options: Processing task..
Question: When implementing a queue using two stacks, what is the average time complexity for enqueu..
Question: Which data structure would you use to implement a function that checks for balanced parent..
Question: In a circular queue, what condition indicates that the queue is full?Options: front == rea..
Question: If a stack is used to evaluate an expression in postfix notation, what is the time complex..
Question: Which of the following applications can be efficiently solved using a stack?Options: Undo ..
Question: In a queue implemented using two stacks, what is the worst-case time complexity for the de..
Question: Which of the following is a common application of queues?Options: Function call management..
Question: What is the worst-case time complexity for enqueue and dequeue operations in a queue imple..
Question: Which data structure would you use to implement a function that checks for balanced parent..
Question: What is the primary difference between a stack and a queue?Options: Stack is LIFO, Queue i..
Question: Which of the following is a valid application of a stack?Options: Undo functionality in te..
Question: Which of the following operations is typically O(1) for both stacks and queues?Options: Ac..
Question: What is the primary advantage of using a stack for expression evaluation?Options: Easy to ..
Question: In which scenario would a queue be used in a web server?Options: To manage user sessionsTo..
Question: Which application uses a stack to reverse a string?Options: QueueStackGraphTreeCorrect Ans..
Question: What data structure is used to implement a breadth-first search (BFS)?Options: StackQueueA..
Question: In which scenario would a stack be preferred over a queue?Options: When processing tasks i..
Question: Which of the following is a typical use case for queues?Options: Undo functionality in app..
Question: In which application would you use a stack to evaluate expressions?Options: Infix to postf..
Question: What is the primary advantage of using a deque (double-ended queue)?Options: Faster sortin..