Computer programming has advanced significantly from the beginning of the first programming languages to the contemporary programming languages currently in use. It is now more potent, effective, and sophisticated.
DSA is frequently employed in the field of computer science, as you may have heard. However, DSA’s applications are not just found in the world of computing. DSA is a concept that is also present in everyday life. We will talk about the common definition of DSA that people use on a daily basis in this blog.

Data structures and Algorithms:

Developing computer programs that are machine-efficient and optimized falls under the domain of data structures and algorithms, a subfield of computer science. Data organization and storage are referred to as data structures, and problem-solving methods are described in terms of algorithms. In software engineering, we optimize the codes by fusing “data structure” with “algorithm.”

Real time Application of Data Structures and Algorithms

The array is a group of comparable data elements kept in a single block of memory.

Applications of Arrays:

Our phone’s contact application, which we utilise in our daily lives, contains a large number of contacts. An array is used to store these contacts. A contact’s addition or deletion is comparable to adding or removing items from an array. In a similar vein, our music player’s song playlist. Images are processed using 2-Dimensional Arrays, commonly known as Matrix.


According to the Last-In-First-Out (LIFO) method, a stack is a linear list in which insertions and deletions happen at the same end.

Application of the Stack:

Stacks are helpful for many computer science tasks. The return address must be kept in a function call-return structure of a compiler, which is one of the most crucial steps.
To determine whether an expression’s left and right parentheses match. To assess an expression using a postfix. A postfix or suffix expression is created by converting an infix expression.

Linked List, Single:

Nodes are a group of randomly arranged items that are kept in the memory. The address of the next node is contained in a pointer that is one of the two components that make up a node. The pointer to NULL is located in the last node.

Applications of a Singly Linked List:

Operations like UNDO, REDO, or DELETE. Viewing photographs in a photo viewer constantly, one after another. The next track option in a music player is called skip.

Doubly Linked List:

A node in this type of linked list has a pointer to the node before it and the node after it in a sequence.

Applications of Doubly Linked List:

  • Typically, the deck of cards is represented by it in card games.
  • In notepad or other software, there are undo and redo functions.
  • web browsers’ implementation of backwards and forwards navigation.
  • To  instruct a music player to play the current track or the previous track.


A digraph is a graph with one direction on each edge. A graph is referred to as an undirected graph or just a graph if every edge is undirected.

Graph applications include:

  • Graphs can be used to determine the shortest route between two points.
  • Used to save customer preferences on different e-commerce websites.
  • Platforms based on networks that are used for connections.
  • Management of resources inside an organisation.


A queue is a linear list where deletions and additions happen at opposite ends. In the back, there are insertions, and at the front, there are deletions.

Queue Applications:

  • When downloading several files, browsers use priority queues.
  • employed in call centres where calls are held while the caller is on another call.
  • Printer software makes use of queue.
  • CPU for scheduling tasks.


Tree contain a single root node and are hierarchical structures.

Tree Applications:

  • The implementation of navigation in programmes or webpages.
  • Various games feature decision-making processes.
  • Many software programmes for computers and mobile devices, such as file explorers, etc.
  • The Domain Name Server makes use of trees as well (DNS).

Table Hash:

Hash tables only keep information that is linked to a key. When using hash tables, operations like inserting and searching are simple to control.

Hash table applications include:

  • On the basis of the hashing principle, web browsers like Google Chrome, Opera, and others provide the desired results.
  • Each file on our computers has a filename and a file path, and hash tables are used to establish a relationship between the filename and the associated file path.


A matrix is an organised grouping of components arranged in rows and columns. The components of a matrix must be enclosed within square brackets.

Matrix applications:

It is employed in statistical analysis, scientific research, and the charting of graphs.
The representation of data, such as the population size, mortality rate, etc., also uses matrices.

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