Chapter 1

Data Structures and Algorithms

Sorting and searching complexity analysis

medium • 1 min read

Graphs: BFS, DFS and shortest paths

medium • 2 min read

Dynamic programming and greedy algorithms

medium • 3 min read

Memory management and hashing techniques

medium • 4 min read

Trees: AVL, B-trees and Red-black trees

medium • 5 min read

Chapter 2

Operating Systems

Process management and thread control

medium • 1 min read

CPU scheduling and deadlock mechanisms

medium • 2 min read

Virtual memory and page replacement

medium • 3 min read

File system implementation and security

medium • 4 min read

Unix/Linux system kernel and shell

medium • 5 min read

Chapter 3

Database Management Systems

Relational model and normalization (1NF to 5NF)

medium • 1 min read

Transaction management: ACID and recovery

medium • 2 min read

Query optimization and indexing in SQL

medium • 3 min read

NoSQL databases and Big Data concepts

medium • 4 min read

Distributed databases and concurrency

medium • 5 min read

Chapter 4

Software Engineering

SDLC models: Agile, Waterfall and DevOps

medium • 1 min read

Requirement analysis and UML modeling

medium • 2 min read

Software testing: Unit, Integration, Regression

medium • 3 min read

Project management and cost estimation (COCOMO)

medium • 4 min read

Software quality assurance and standards

medium • 5 min read

Chapter 5

Discrete Mathematics

Propositional logic and boolean algebra

medium • 1 min read

Graph theory and connectivity algorithms

medium • 2 min read

Combinatorics and counting principles

medium • 3 min read

Group theory and lattice structures

medium • 4 min read

Automata theory and formal languages

medium • 5 min read