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Blogs, videos, quizzes, PYQs, compiler practice, and developer tools for focused learning.

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Learning paths

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Move between explanations, practice, code, and previous-year questions without losing context.

Core CS

DSA, OS, DBMS, CN, and algorithms

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Exam Prep

PYQs, topic filters, and timed practice

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Developer Tools

Format, convert, compare, and test

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.NET

Build strong .NET fundamentals

Start with C#, understand the .NET platform, then move into ASP.NET Core and real application skills.

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C# Basics

Types, strings, records, methods, and OOP basics

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.NET Roadmap

C#, ASP.NET Core, SQL, EF Core, testing, and deployment

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Localization

Culture, resource files, translated UI, dates, and prices

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Latest blogs

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Data Structures
13 min read

Time and space complexity explained with one practical example

Understand Big O, time complexity, and space complexity by comparing three duplicate-checking solutions.

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Operating Systems
9 min read

Processes, threads, and concurrency explained

Understand how modern operating systems schedule and execute your programs.

Coming soon
DBMS
10 min read

Why one SQL join returns 5 rows and another returns 12

Learn inner, left, right, and full joins through one clear, practical dataset.

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Videos

Watch visual lessons

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Intermediate Lecture 1

Computer Science Lecture 1: Computer Networks

Ankit Doyal's Computer Networks class 1 for GATE CS and IT preparation.

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Intermediate Lecture 2

Computer Science Lecture 2: Computer Networks

Ankit Doyal's Computer Networks class 2 for GATE CS and IT preparation.

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Intermediate Lecture 3

Computer Science Lecture 3: Computer Networks

Ankit Doyal's Computer Networks class 3 for GATE CS and IT preparation.

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Quizzes

Practice with topic cards

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Beginner

Data Structures Fundamentals

15 questions - Arrays / Stack / Queue

ArraysStackQueue
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Advanced

Graph Algorithms

20 questions - BFS / DFS / Dijkstra

BFSDFSDijkstra
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Beginner

Operating Systems Basics

10 questions - Processes / Memory / Scheduling

ProcessesMemoryScheduling
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Intermediate

DBMS Essentials

14 questions - SQL / Normalization / Transactions

SQLNormalizationTransactions
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Beginner

Computer Networks Basics

15 questions - TCP / IP / DNS

TCPIPDNS
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Intermediate

C# Interview Basics

20 questions - .NET / OOP / Types

C#.NETOOP
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Tools

Small utilities for students and developers

Useful tools for formatting, conversion, debugging, and CS practice.

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JSON Formatter

Validate and format JSON with readable indentation and quick error checks.

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Code Formatter

Beautify snippets and keep your examples consistent before sharing.

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Number Converter

Convert decimal, binary, hexadecimal, and octal values instantly.

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Base Calculator

Practice base arithmetic for digital logic and computer architecture.

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PYQ practice

Practice real exam questions by subject and year

Use PYQ cards for GATE, university papers, solved counts, and quick revision sessions.

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