Data Structures Multiple Choice Questions (MCQ) Online Test #20

Which data structure is best suited for implementing a LIFO (Last In, First Out) behavior?

In which data structure is each node connected to at most two other nodes?

What is the primary purpose of a "hash function" in a hash table?

Which data structure uses a "heap" to efficiently manage priority-based operations?

What is the time complexity of accessing an element in an array by index?

Which data structure is ideal for implementing a "first-in, first-out" (FIFO) approach?

Which data structure is particularly useful for efficiently implementing depth-first search (DFS) algorithms?

In a "doubly linked list," how many pointers does each node typically have?

What is the primary advantage of using a "circular linked list" over a regular linked list?