SAS Base Certification Training Program with ZebLearn 2025

Overview of NIELIT and its Certification Structure

Importance of 'A' Level Certification for IT Careers

Eligibility Criteria and Examination Pattern

Introduction to Data Structures

Importance of Data Structures in Programming

Overview of Linear and Non-linear Data Structures

Arrays and Linked Lists

Arrays in Python
Types of Linked Lists (Singly, Doubly, Circular)
Insertion, Deletion, Traversal in Linked Lists

Stacks and Queues

Stack Implementation Using Python Lists

Applications of Stacks (Expression Evaluation, Recursion)

Queue Types (Simple, Circular, Priority)

Implementing Queues and Applications

Trees and Graphs

Tree Structures (Binary Trees, Binary Search Trees, AVL Trees)

Tree Traversal Methods (Inorder, Preorder, Postorder)

Graph Basics (Adjacency List and Matrix)

Graph Traversal (BFS, DFS)

Searching and Sorting Algorithms

Linear and Binary Search

Sorting Algorithms (Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort)

Time and Space Complexity Analysis

Hashing Techniques

Introduction to Hashing and Hash Functions

Collision Handling Techniques (Chaining, Open Addressing)

Applications of Hashing

Introduction to Database Concepts

Basics of Databases and Database Management Systems

Database Models (Hierarchical, Network, Relational)

Introduction to RDBMS and SQL

Entity-Relationship Model (ER Model)

ER Diagrams and Their Components

Mapping ER Diagrams to Relational Models

Attributes, Entities, and Relationships

Normalization and SQL

Functional Dependencies and Normal Forms (1NF, 2NF, 3NF, BCNF)

SQL Queries for Data Manipulation (SELECT, INSERT, UPDATE, DELETE)

Advanced SQL Queries (Joins, Subqueries, Views)

Transaction Management and Concurrency Control

ACID Properties of Transactions

Concurrency Control Techniques (Locking, Timestamping)

Deadlock Handling in DBMS

Indexing and File Organization

Types of Indexing (Primary, Secondary, Clustered, Non-clustered)

B-Trees, B+ Trees for Indexing

File Organization Techniques (Sequential, Direct, Indexed)

Introduction to Java and OOP Concepts

Java Basics: Variables, Data Types, Operators

Classes, Objects, and Methods in Java

Key OOP Concepts (Encapsulation, Inheritance, Polymorphism, Abstraction)

Constructors and Destructors

Constructor Overloading in Java

Finalize and Garbage Collection Mechanisms

Exception Handling in Java

Error Handling Using Try-Catch Block

Custom Exception Classes in Java

Use of throw, throws Keywords

File Handling and Input/Output

Reading and Writing Files in Java

Working with Byte and Character Streams

Multithreading and Synchronization

Introduction to Multithreading in Java

Implementing Threads Using Thread Class and Runnable Interface

Synchronizing Threads in Java

Collections and Java Libraries

Introduction to Java Collection Framework (List, Set, Map, Queue)

Use of Iterators and Generics in Collections

Common Java Libraries for OOP

Introduction to Computer Organization

Basic Structure of Computers

Memory Units, Registers, and Buses

ALU (Arithmetic and Logic Unit) and Control Unit

Number Systems and Digital Logic

Binary, Octal, Hexadecimal Number Systems

Boolean Algebra and Logic Gates

Combinational Circuits (Adders, Subtractors, Multiplexers)

Sequential Circuits (Flip-Flops, Counters)

Microprocessor Architecture

Overview of Microprocessors and Microcontrollers

Architecture of Intel 8085 and 8086

Assembly Language Programming

Memory and I/O Systems

Types of Memory (RAM, ROM, Cache, Virtual Memory)

Memory Hierarchy and Management

Input/Output Devices and Interfaces

Advanced Computer Architectures

Pipelining and Parallel Processing

RISC vs CISC Architectures

Introduction to Multiprocessors and Multicore Systems

Introduction to Operating Systems

Functions and Types of Operating Systems

Kernel, Shell, and System Calls

Operating System Structures (Monolithic, Layered, Microkernel)

Process Management

Processes, Threads, and Multithreading

Process Scheduling (FCFS, SJF, Round Robin)

Inter-Process Communication (IPC) Mechanisms

Deadlock Detection and Avoidance

Memory Management

Memory Allocation Techniques (Paging, Segmentation)

Virtual Memory and Demand Paging

Page Replacement Algorithms (FIFO, LRU)

File Systems and Disk Management

File System Architecture and Directory Structures

File Access Methods (Sequential, Indexed)

Disk Scheduling Algorithms (FCFS, SSTF, SCAN)

Security and Protection in Operating Systems

User Authentication, Authorization, and Access Control

Security Threats and Countermeasures

Firewall and Antivirus Protection Mechanisms

DSP & Microcontrollers

Computer Hardware

Cisco

Cisco & Networking Certifications

NIELIT 'A' level Training Program

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KEY POINTS

90+

18+

1500+

5+

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Course content

# Introduction to NIELIT 'A' Level

# Data Structures through Python