Multiple choice

“FRONT=REAR” pointer refers to empty

  1. Stack

  2. Queue

  3. Arrays

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In queue implementation using arrays, FRONT=REAR indicates an empty queue. This is the initial state after initialization. When FRONT=REAR+1 (in circular queues), the queue is full.