Queue Data Structure

What type of data structure is a queue?

• Last In First Out (LIFO)

• First In First Out (FIFO)

• Random Access

• Circular Access

Which operation is used to insert an element into a queue?

• Insert

• Enqueue

• Push

• Append

In a queue, where are elements removed from?

• Rear

• Middle

• Front

• Top

What message is displayed if a queue is full during the enqueue operation?

• "Queue is empty"

• "Queue is full"

• "Array out of bounds"

• "Memory error"

How can a queue be implemented according to the document?

• Using stacks

• Using a linked list

• Using an array

• Using trees

What happens to the rear pointer when it reaches the end of the array during the enqueue operation?

• It remains at the end

• It resets to zero

• It moves backward

• It stops inserting

Which of the following is NOT an application of queues?

• Network packet queuing

• Task scheduling in operating systems

• Sorting algorithms

• Print servers

What does the isEMPTY algorithm check for?

• If the queue is full

• If the front pointer is zero

• If the total number of elements is zero

• If the rear pointer is at maximum

Which of the following is an advantage of using a queue?

• Random access to elements

• First-in, first-out access

• Fast access to all elements

• Easy reverse traversal

What is a disadvantage of using a queue?

• Easy implementation

• Quick insertion and deletion

• Slow access to other items

• Efficient memory usage