
Understanding Stacks, Queues, and Lists
Authored by cssrcaidedkm cssrcaidedkm
Computers
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the primary operation of a stack?
The primary operation of a stack is 'push' and 'pop'.
add and remove
insert and delete
enqueue and dequeue
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How do you implement a queue using two stacks?
Use two stacks: one for enqueueing and one for dequeueing. Transfer elements from the input stack to the output stack when needed.
Implement a queue using an array without stacks.
Use a single stack for both enqueueing and dequeueing.
Use three stacks to manage the queue operations.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the time complexity of traversing a linked list?
O(n^2)
O(n)
O(log n)
O(1)
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What distinguishes a circular queue from a regular queue?
A circular queue allows the last position to connect back to the first position, optimizing space usage.
A circular queue requires more memory than a regular queue.
A circular queue processes elements in a last-in, first-out manner.
A circular queue can only hold a fixed number of elements.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How do you insert a node in a doubly linked list?
Add a new node without changing any pointers.
Insert a new node by adjusting pointers of the new node and surrounding nodes.
Insert a node only at the beginning of the list.
Insert a node by deleting the last node in the list.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the last element removed from a stack called?
base
top
middle
bottom
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Describe the enqueue operation in a queue.
The enqueue operation checks if the queue is empty before adding an element.
The enqueue operation adds an element to the back of the queue.
The enqueue operation adds an element to the middle of the queue.
The enqueue operation removes an element from the front of the queue.
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