### Understanding Queue Concepts

1. **Definition of Underflow**: In the context of a queue data structure, "underflow" occurs when an attempt is made to remove an item from an empty queue. This situation indicates that there are no elements to dequeue.

2. **Characteristics of Queue**: A queue is a linear data structure that follows the First-In-First-Out (FIFO) principle. Elements are added to the back (enqueue) and removed from the front (dequeue).

### Analyzing the Options
- **Full**: This option refers to a state where the queue cannot accept any more elements.
- **Empty**: This indicates that there are no elements in the queue, which is precisely when underflow can occur.
- **Half filled/Half Empty**: This state means that the queue has some elements but does not indicate underflow.
- **None of the above**: This option suggests that none of the previous definitions accurately describe the state of the queue.

### Conclusion
Based on the analysis, the term "Underflow" specifically relates to the situation where the queue is empty. Therefore, the correct answer is:

**Queue is Empty.**

Question

### Understanding Queue Concepts

1. **Definition of Underflow**: In the context of a queue data structure, "underflow" occurs when an attempt is made to remove an item from an empty queue. This situation indicates that there are no elements to dequeue.

2. **Characteristics of Queue**: A queue is a linear data structure that follows the First-In-First-Out (FIFO) principle. Elements are added to the back (enqueue) and removed from the front (dequeue).

### Analyzing the Options
- **Full**: This option refers to a state where the queue cannot accept any more elements.
- **Empty**: This indicates that there are no elements in the queue, which is precisely when underflow can occur.
- **Half filled/Half Empty**: This state means that the queue has some elements but does not indicate underflow.
- **None of the above**: This option suggests that none of the previous definitions accurately describe the state of the queue.

### Conclusion
Based on the analysis, the term "Underflow" specifically relates to the situation where the queue is empty. Therefore, the correct answer is:

**Queue is Empty.**

Knowee AI · Accepted Answer

### Understanding Queue Concepts

1. **Definition of Underflow**: In the context of a queue data structure, "underflow" occurs when an attempt is made to remove an item from an empty queue. This situation indicates that there are no elements to dequeue.

2. **Characteristics of Queue**: A queue is a linear data structure that follows the First-In-First-Out (FIFO) principle. Elements are added to the back (enqueue) and removed from the front (dequeue).

### Analyzing the Options
- **Full**: This option refers to a state where the queue cannot accept any more elements.
- **Empty**: This indicates that there are no elements in the queue, which is precisely when underflow can occur.
- **Half filled/Half Empty**: This state means that the queue has some elements but does not indicate underflow.
- **None of the above**: This option suggests that none of the previous definitions accurately describe the state of the queue.

### Conclusion
Based on the analysis, the term "Underflow" specifically relates to the situation where the queue is empty. Therefore, the correct answer is:

**Queue is Empty.**

In Queue, what is "Underflow" means, Queue is ________.OptionsFullEmptyHalf filled/Half EmptyNone of the above

Question

In Queue, what is "Underflow" means, Queue is ________.

Solution

Understanding Queue Concepts

Analyzing the Options

Conclusion

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