Explain simple queue ? Brief disadvantages of simple queue.

==>  simple queue--

• A simple queue is the most basic queue. In this queue, the enqueue operation takes place at the rear, while the dequeue operation takes place at the front: Its applications are process scheduling, disk scheduling, memory management, IO buffer, pipes, call center phone systems, and interrupt handling
• Simple QUEUE of Characters (Array Implementation of Queue with maximum size MAX)

1. Insert an Element on to QUEUE
2. . Delete an Element from QUEUE
3. Demonstrate Overflow and Underflow situations on QUEUE
4. . Display the status of QUEUE
5. Exit 

==> Disadvantage Simple Queue--

• When the first element is serviced, the front is moved to next element. However, the position vacated is not available for further use. Thus, we may encounter a situation, wherein program shows that queue is full, while all the elements have been deleted are available but unusable, though empty.