**Which Is Called Linear Data Structure?**

A data structure is a way of organizing and storing data in a computer’s memory. There are several types of data structures, each with its own advantages and disadvantages. One common type of data structure is called a linear data structure.

## What is a Linear Data Structure?

A linear data structure is a type of data structure where elements are arranged in a sequential manner. In other words, the elements are stored one after another in a linear fashion. Each element has a successor and predecessor except for the first and last elements, respectively.

There are various types of linear data structures, including:

**Arrays:**Arrays are one of the simplest linear data structures. They consist of a fixed-size collection of elements that can be accessed using an index.**Linked Lists:**Linked lists are made up of nodes that contain both the element and a reference to the next node in the sequence.**Stacks:**Stacks follow the Last-In-First-Out (LIFO) principle, meaning that the last element added to the stack is the first one to be removed.**Queues:**Queues follow the First-In-First-Out (FIFO) principle, meaning that the first element added to the queue is the first one to be removed.

## The Advantages of Linear Data Structures

Linear data structures offer several advantages in terms of efficiency and ease of implementation:

__Simplicity:__Linear data structures are usually simple to understand and implement compared to other complex data structures.__Efficiency:__Linear data structures provide efficient access to elements. Arrays, for example, allow constant-time access to any element using its index.__Flexibility:__Linear data structures can be easily extended or modified to suit specific requirements. Linked lists, for example, can be dynamically resized by adding or removing nodes.

## The Disadvantages of Linear Data Structures

While linear data structures have their advantages, they also have some limitations:

__Fixed Size:__Some linear data structures, such as arrays, have a fixed size that cannot be changed once allocated. This can be limiting in situations where the number of elements is not known in advance.__Inefficient Insertion/Deletion:__Inserting or deleting elements in the middle of a linear data structure like an array requires shifting all subsequent elements, which can be time-consuming for large data sets.

### In Conclusion

A linear data structure is a type of data structure where elements are stored sequentially. They offer simplicity, efficiency, and flexibility but may have limitations such as fixed size and inefficient insertion/deletion operations. Understanding the characteristics and trade-offs of different linear data structures is essential when designing efficient algorithms and managing data effectively in computer programs.