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      CBSE Class 12

      PYTHON

      Computer Science

      • Python
      • Computer System Overview
      • Computer Networks
      • society Law & Ethics
      • Data Representation
      • Boolean Logics
      Python Online Free Courses for Classes 11th and 12th
  • Blog
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    Computer Science

    full-python-course-for-beginners

    Python Full Course for Beginners | Complete All-in-One Guide | CBSE Class 11

    • Posted by Kabeer Sahib
    • Categories Computer Science

    Introduction to Our Python Course for Beginners

    How to Learn Python Programming from Scratch in 2025 | An Expert Method Guide

    Table of Contents

    Toggle
    • Introduction to Our Python Course for Beginners
    • Python Full Course for Beginners from Scratch
      • Unit 1: Computer Systems and Organisation (CSO)     
      •                      
      • Unit 2 : Programming and Computational Thinking (PCT-1)        
      • Unit 3: Society, Law and Ethics (SLE-1)- Cyber safety                                                 
    • PRACTICAL
      • Programming in Python
    • Syllabus Content Python Full Course for Beginners
      •  1 COMPUTER SYSTEM OVERVIEW
      • 2 DATA REPRESENTATION
      • 3 BOOLEAN LOGIC
      • 4 INSIGHTS INTO PROGRAM EXECUTION
      • 5 COMPUTATIONAL THINKING AND GETTING STARTED WITH PYTHON
      • 6 PYTHON FUNDAMENTALS
      • 7 DATA HANDLING
      • 8 CONDITIONAL AND ITERATIVE STATEMENTS
      • 9 STRING MANIPULATION
      • 10 DEBUGGING PROGRAMS
      • 11 LIST MANIPULATION
      • 12 TUPLES
      • 13 DICTIONARIES
      • 14 UNDERSTANDING SORTING
      • 15 RELATIONAL DATABASES
      • 16 SIMPLE QUERIES IN SQL
      • 17 PABLE CREATION AND DATA MANIPULATION COMMANDS
      • 19 BASICS OF NOSQL DATABASE – MONGODB
      • 19 CYBER SAFETY
      • 20 ONLINE ACCESS AND COMPUTER SECURITY

    Hello student !!! welcome you all, in this tutorial, we are going to discuss the syllabus of Python Full Course for beginners with CBSE Class 11 that is, whatever is your syllabus in 2025 and 2026, we will discuss what will be your board exam in 2025, so what is the syllabus for the exam 2026 and how you have to prepare, we will discuss all those things in this tutorial, so read this tutorial carefully so that all your doubts are cleared and get to know how you have to prepare. For board exam and I will tell you complete details how you will prepare.

    syllabus-cbse-computer-science-class-11

    This tutorial in your hands is based on revised syllabus by CBSE for ‘Computer Science’ code 083, class XI. This syllabus has been divided into three units:

    Unit 1: Computer Systems and Organisation (CSO)

    Computer Systems and Organisation unit has been divided in four chapters, Chapters 1 to 4. This unit coves basic computer organisation, Boolean logic, data representation and insight into program execution. The aim of this unit is to give an idea of how the information is represented, organized and processed inside a computer.

    Unit 2: Programming and Computational Thinking (PCT-1)

    Programming and Computational Thinking unit has been divided in 10 chapters, Chapters 5 to 14. This unit covers basics of Python, fundamentals, conditional and iterative constructs, strings, lists, tuples, dictionaries, sorting and program debugging techniques. The aim of this unit is to lay foundation of problem-solving skills through Python programming language.

    Unit 3: Society, Law and Ethics (SLE-1)

    Society, Law and Ethics unit has been divided into two chapters, Chapters 19 to 20. This unit covers Cyber safety basics and guidelines, guidelines and usage rules for using social networks, threats while accessing websites and how to prevent/counter these along with how to securely communicate data. The aim of this unit is to know the challenges in safe and secure use of cyber facilities and technologies to counter these.

     

    ==============================================================================

    Apart from this blog tutorial, we have also provided a Python Full Course for Beginners in our courses section that contains additional practice exercises. Although this tutorial contains sufficient number of practice questions and exercises, yet the additional practice of exercises given in our Python full courses for beginners that will make the foundation of programming and other concepts even stronger.

    qissba-free-python-courses-for-cbse-computer-science

    Python Full Course for Beginners from Scratch

    Computer Science is a rapidly evolving field. In fact, to keep pace with its developments, every field related to Computer Science has to evolve to match the steps. ‘Education’ field is no exception. After introduction of new syllabus for the subject ‘Computer Science’ (code 083) this year 2025-26, CBSE has again introduced something more interesting in the syllabus for the same for CBSE class XI.

    Now let’s have a deep dive into the detailed topic wise  Syllabus  with links to Python Full  Course for Beginners for CBSE Class 11th students.

    Unit 1: Computer Systems and Organisation (CSO)     

    ● Basic computer organisation: Introduction to Computer System, hardware, software, input device, output device, CPU, memory (primary, cache and secondary), units of memory (bit, byte, KB, MB, GB, TB, PB)

    ● Types of software: System software (Operating systems, system utilities, device drivers), programming tools and language translators (assembler, compiler, and interpreter), application software

    ● Operating System(OS): functions of the operating system, OS user interface ● Boolean logic: NOT, AND, OR, NAND, NOR, XOR, truth tables and De Morgan’s laws, Logic circuits

    ● Number System: Binary, Octal, Decimal and Hexadecimal number system; conversion between number systems

    ● Encoding Schemes: ASCII, ISCII, and Unicode (UTF8, UTF32)

                         

    Unit 2 : Programming and Computational Thinking (PCT-1)        

    ● Introduction to Problem-solving: Steps for Problem-solving (Analyzing the problem, developing an algorithm, coding, testing, and debugging), representation of algorithms using flowchart and pseudocode, decomposition

    ● Familiarization with the basics of Python programming: Introduction to Python, Features of Python, executing a simple “hello world” program, execution modes: interactive mode and script mode, Python character set, Python tokens( keyword, identifier, literal, operator, punctuator), variables, concept of l-value and r-value, use of comments

    ● Knowledge of data types: Number(integer, floating point,complex), boolean, sequence(string, list, tuple), None, Mapping(dictionary), mutable and immutable data types.

    ● Operators: arithmetic operators, relational operators, logical operators, assignment operators, augmented assignment operators, identity operators (is, is not), membership operators (in not in)

    ● Expressions, statement, type conversion, and input/output: precedence of operators, expression, evaluation of an expression, type-conversion (explicit and implicit conversion), accepting data as input from the console and displaying output.

    ● Errors- syntax errors, logical errors, and run-time errors

    ● Flow of Control: introduction, use of indentation, sequential flow, conditional and iterative flow

    ● Conditional statements: if, if-else, if-elif-else, flowcharts, simple programs: e.g.: absolute value, sort 3 numbers and divisibility of a number.

    ● Iterative Statement: for loop, range(), while loop, flowcharts, break and continue statements, nested loops, suggested programs: generating pattern, summation of series, finding the factorial of a positive number, etc.

    ● Strings: introduction, string operations (concatenation, repetition, membership and slicing), traversing a string using loops, built-in functions/methods–len(), capitalize(), title(), lower(), upper(), count(), find(), index(), endswith(), startswith(), isalnum(), isalpha(), isdigit(), islower(), isupper(), isspace(),lstrip(), rstrip(), strip(), replace(), join(), partition(), split()

    ● Lists: introduction, indexing, list operations (concatenation, repetition, membership and slicing), traversing a list using loops, built-in functions/methods–len(), list(), append(), extend(), insert(), count(), index(), remove(), pop(), reverse(), sort(), sorted(), min(), max(), sum(); nested lists, suggested programs: finding the maximum, minimum, mean of numeric values stored in a list; linear search on list of numbers and counting the frequency of elements in a list.

    ● Tuples: introduction, indexing, tuple operations (concatenation, repetition, membership and slicing); built-in functions/methods – len(), tuple(), count(), index(), sorted(), min(), max(), sum(); tuple assignment, nested tuple; suggested programs: finding the minimum, maximum, mean of values stored in a tuple; linear search on a tuple of numbers, counting the frequency of elements in a tuple.

    ● Dictionary: introduction, accessing items in a dictionary using keys, mutability of a dictionary (adding a new term, modifying an existing item), traversing a dictionary, built-in functions/methods – len(), dict(), keys(), values(), items(), get(), update(), del, clear(), fromkeys(), copy(), pop(), popitem(), setdefault(), max(), min(), sorted(); Suggested programs: count the number of times a character appears in a given string using a dictionary, create a dictionary with names of employees, their salary and access them.

    ● Introduction to Python modules: Importing module using ‘import ’ and using from statement, importing math module (pi, e, sqrt(), ceil(), floor(), pow(), fabs(), sin(), cos(), tan()); random module (random(), randint(), randrange()), statistics module (mean(), median(), mode()).

     

    Unit 3: Society, Law and Ethics (SLE-1)- Cyber safety                                                 

    ● Digital Footprints
    ● Digital Society and Netizen: net etiquettes, communication etiquettes, social media etiquettes
    ● Data Protection: Intellectual property rights (copyright, patent, trademark), violation of IPR (plagiarism, copyright infringement, trademark infringement), open source software and licensing (Creative Commons, GPL and Apache)
    ● Cyber Crime: definition, hacking, eavesdropping, phishing and fraud emails, ransomware, cyber trolls, cyber bullying
    ● Cyber safety: safely browsing the web, identity protection, confidentiality
    ● Malware: viruses, trojans, adware
    ● E-waste management: proper disposal of used electronic gadgets.
    ● Information Technology Act (IT Act)
    ● Technology and society: Gender and disability issues while teaching and using computers

     

    PRACTICAL

    cbse-class-11-computer-science-python-practical-syllabus-2025

     

    Programming in Python

    At least the following Python concepts should be covered in the lab sessions: expressions, conditionals, loops, list, dictionary, and strings. The following are some representative lab assignments.

    • Find the largest and smallest numbers in a list.
    • Test for primarily.
    • Find the third largest number in a list.
    • Find whether a string is a palindrome or not.
    • Given two integers x and n, computer x”.
    • Compute the greatest common divisor and the least common multiple of two integers.
    • Test if a number is equal to the sum of the cubes of its digits. Find the smallest and largest such numbers.

    Syllabus Content Python Full Course for Beginners

     

     1 COMPUTER SYSTEM OVERVIEW

    1.1 Introduction

    1.2 Basic Computer Organization

    1.  Input Unit 
    2.  Output Unit 
    3.  The CPU (Central Processing Unit)
    4.  The Memory [Main Memory/Primary Memory]
    5.  The Storage Unit
    6.  The System Bus

    1:3 Mobile System Organization

    1.4 Types of Software

    1. System Software 
    2. Application Software
    3. Software Libraries 

     

    2 DATA REPRESENTATION

    2.1 Introduction

    2.2 Digital Number Systems

    1. Decimal Number System
    2. Binary Number System
    3. Octal Number System
    4. Hexadecimal Number System

     

    2.3 Number Conversions

    1. Decimal-to-Binary Conversion
    2. Binary-to-Decimal Conversion
    3. Decimal-to-Octal Conversion
    4. Octal-to-Decimal Conversion
    5. Octal-to-Binary Conversion
    6. Binary-to-Octal Conversion
    7. Decimal-to-Hex Conversion
    8. Hex-to-Decimal Conversion
    9. Binary-to-Hex Conversion 
    10. Hex-to-Binary Conversion 

    2.4 Representing Unsigned Integers in Binary

    2.5 Binary Addition

    2.6 Character/String Representation

    1. ASCII Code 
    2. ISCII Code 
    3. Unicode 

     

    3 BOOLEAN LOGIC

    3.1 Development of Boolean Logic

    3.2 Binary Valued Quantities

    3.3 Logical Operations

    1. Logical Function or Compound Statement
    2.  Logical Operators 
    3. Evaluation of Boolean Expressions using Truth Table

    3.4 Basic Logic Gates

    1. Inverter (NOT Gate)
    2. OR Gate
    3. AND gate

    3.5 Basic Postulates of Boolean Logic

    3.6 Principle of Duality

    3.7 Basic Theorems of Boolean Algebra/Logic

    1. Properties of 0 and 1
    2. Idempotence Law
    3. Involution
    4. Complementarity Law
    5. Commutative Law
    6. Associative Law
    7.  Distributive Law
    8.  Absorption Law
    9.  Some Other Rules of Boolean Logic Algebra

    3.8 DeMorgan’s Theorems

    1. DeMorgan’s First Theorem
    2. DeMorgan’s Second Theorem

    3.9 More about Logic Gates

    1. NOR Gate
    2. NAND Gate
    3. XOR Gate (Exclusive OR Gate)
    4. XNOR Gate (Exclusive NOR gate)

     

    4 INSIGHTS INTO PROGRAM EXECUTION

    4.1 Introduction

    4.2 Basic Flow of Compilation

    4.3 Understanding Translation Process

    1. The Compilation Process
    2. The Interpretation Process

    4.4 Role of an Operating System in Running a Program

    4.5 Introduction to Parallel Computing

    4.6 Cloud Computing

     

    5 COMPUTATIONAL THINKING AND GETTING STARTED WITH PYTHON

    5.1 Introduction

    5.2 Computational Thinking

    5.3 Python-Pluses

    5.4 Python-Some Minuses (So Human Like)

    5.5 Working in Python

    1. Working in Default CPython Distribution
    2. Working in Anaconda Distribution
    3. Writing and Compiling Python Program with Command Line in Linux

    5.6 Understanding First Program/Script

     

    6 PYTHON FUNDAMENTALS

    6.1 Introduction

    6.2 Python Character Set

    6.3 Tokens

    1. Keywords
    2. Identifiers (Names)
    3. Literals / Values
    4. Operators
    5. Punctuators

    6.4 Barebones of a Python Program

    6.5 Variables and Assignments

    1. Creating a Variable
    2. Multiple Assignments
    3. Variable Definition
    4. Dynamic Typing

    6.6 Simple Input and Output

    1. Reading Numbers 
    2. Output Through print() Statement

     

    7 DATA HANDLING

    7.1 Introduction

    7.2 Data Types

    1. Numbers
    2. Strings
    3. Lists and Tuples
    4. Dictionary

    7.3 Mutable and Immutable Types

    1. Variable Internals

    7.4 Operators

    1. Arithmetic Operators
    2.  Relational Operators
    3. Identity Operators
    4. Logical Operators
    5. Bitwise Operators
    6. Operator Precedence

    7.5 Expressions

    1. Evaluating Expressions
    2. Type Casting

    7.6 Working with Some Standard Library Modulus

    1. Working with math Module of Python
    2. Using random Module
    3. Using the statistics Module

     

    8 CONDITIONAL AND ITERATIVE STATEMENTS

    8.1 Introduction

    8.2 Types of Statements in Python

    8.3 Statement Flow Control

    8.4 Program Logic Development Tools

    1.  Flowcharts
    2. The if Statements of Python
    3. The if Statement
    4. The if-else Statement
    5. The if-elif Statement
    6. The nested if Statement

    8.6 Repetition of Tasks – A Necessity

    8.7 The range() Function

    8.8 Iteration/Looping Statements

    1. The for Loop
    2. The while Loop
    3. Loop else Statement
    4. Jump Statements – break and continue
    5. Loop else Statement
    6. Nested Loops

     

    9 STRING MANIPULATION

    9.1 Introduction

    9.2 Traversing a String

    9.3 String Operators

    1. Basic Operators 
    2. Membership Operators 
    3. Comparison Operators 

    9.4 String Slices

    9.5 String Functions and Methods

     

    10 DEBUGGING PROGRAMS

    10.1 Introduction

    10.2 What is Debugging?

    10.3 Errors and Exceptions

    1. Errors in a Program
    2. Exceptions

    10.4 How to Debug a program?

    1. Debugging Techniques

    10.5 Using Debugger Tool

    1. Working with Integrated Debugger Tool of Spyder IDE
    2. Working with Python Debugger-pdb

     

    11 LIST MANIPULATION

    11.1 Introduction

    11.2 Creating and Accessing Lists

    1. Creating Lists 
    2. Accessing Lists 

    11.3 List Operations

    1. Joining Lists
    2. Repeating or Replicating Lists
    3. Slicing the Lists

    11.4 Working with Lists

    11.5 List Functions and Methods

     

    12 TUPLES

    12.1 Introduction

    12.2 Creating and Accessing Tuples

    1.  Creating Tuples 
    2. Accessing Tuples 

    12.3 Tuple Operations

    1. Joining Tuples
    2. Slicing the Tuples

    12.4 Tuple Functions and Methods

     

    13 DICTIONARIES

    13.1 Introduction

    13.2 Dictionary – Key: Value Pairs

    13.2.1 Creating a Dictionary

    13.2.2 Accessing Elements of a Dictionary

    13.2.3 Characteristics of a Dictionary

    13.3 Working with Dictionaries

    13.3.1 Multiple Ways of Creating Dictionaries

    13.3.2 Adding Elements to Dictionary

    13.3.3 Updating Existing Elements in a Dictionary

    13.3.4 Deleting Elements from a Dictionary

    13.3.5 Checking for Existence of a Key

    13.3.6 Pretty Printing a Dictionary

    13.3.7 Counting Frequency of Elements in a List using Dictionary

    13.4 Dictionary Functions and Methods

     

    14 UNDERSTANDING SORTING

    14.1 Introduction

    14.2 What is Sorting?

    14.3 Bubble Sort

    14.4 Insertion Sort

    15 RELATIONAL DATABASES

    15.1 Introduction

    15.2 Purpose of DBMS

    15.3 Relational Database Model

    15.4 The Relational Model Terminology

    15.4.1 Views

    15.4.2 Structure of Relational Databases

    15.5 Brief History of MySQL

    15.6 MySQL Database System

    15.7 Starting MySQL

    15.8 MySQL and SQL

    15.8.1 Processing Capabilities of SQL

    15.8.2 Data Definition Language

    15.8.3 Classification of SQL Statements

     

    16 SIMPLE QUERIES IN SQL

    16.1 Introduction

    16.2 Some MySQL SQL Elements

    16.2.1 Literals

    16.2.2 Data Types

    16.2.3 Null Values

    16.2.4 Comments

    16.3 SQL Command Syntax

    16.4 Sample Database

    16.5 Making Simple Queries

    16.5.1 Accessing Database

    16.5.2 The SELECT Command

    16.5.3 Selecting All Columns

    16.5.4 Reordering Columns in Query Results

    16.5.5 Eliminating Redundant Data (with keyword DISTINCT)

    16.5.6 Selecting from all the Rows – ALL Keyword

    16.5.7 Viewing Structure of Table

    16.5.8 How to Perform Simple Calculations?

    16.5.9 Scalar Expressions with Selected Fields

    16.5.10 Using Column Aliases

    16.5.11 Handling Nulls

    16.5.12 Putting Text in the Query Output

    16.5.13 Selecting Specific Rows – WHERE clause

    16.5.14 Relational Operators

    16.5.15 Logical Operators

    16.5.16 Condition Based on a Range

    16.5.17 Condition Based on a List

    16.5.18 Condition Based on Pattern Matches

    16.5.19 Searching for NULL

    16.5.20 Operator Precedence

    16.5.21 Sorting Results – ORDER BY clause

    16.6 MySQL Functions

    16.6.1 String Functions

    16.6.2 Numeric Functions

    16.6.3 Date and Time Functions

    16.7 Aggregate Functions

     

    17 PABLE CREATION AND DATA MANIPULATION COMMANDS

    17.1 Introduction

    17.2 Databases in MySQL

    17.2.1 Creating Databases

    17.2.2 Opening Databases

    17.2.3 Removing Databases

    17.3 Creating Tables

    17.3.1 Data Integrity Through Constraints

    17.4 Changing Data with DML Commands

    17.4.1 Inserting Data into Table

    17.4.2 Modifying Data with UPDATE Command

    17.4.3 Deleting Data with DELETE Command

    17.5 More DDL Commands

    17.5.1 ALTER TABLE Command

    17.5.2 The DROP TABLE Command

     

    19 BASICS OF NOSQL DATABASE – MONGODB

    18.1 Introduction

    18.2 What are NoSQL databases?

    18.2.1 Types of NoSQL Databases

    18.2.2 Advantages and Disadvantages of NoSQL Databases

    18.3 Working with MongoDB

    18.3.1 MongoDB Terminology

    18.3.2 Starting MongoDB Service

     

    19 CYBER SAFETY

    19.1 Introduction

    19.2 What is Cyber Safety?

    19.3 Safely Browsing The Web

    19.4 Identity Protection While Using Internet

    19.4.1 Many Ways Websites Track you

    19.4.2 Private Browsing and Anonymous Browsing

    19.5 Confidentiality of Information

    19.5.1 Practices to Ensure Confidentiality of Information

    19.6 Cybercrime

    19.6.1 Reporting Cybercrime

    19.7 Common Social Networking Sites

    19.8 Appropriate Usage of Social Networks

    19.8.1 What You Should Know?

    19.8.2 What You should do – Usage Rules

     

    20 ONLINE ACCESS AND COMPUTER SECURITY

    20.1 Introduction

    20.2 Threats to Computer Security

    20.2.1 Computer Viruses

    20.2.2 Spyware

    20.2.3 Adware

    20.2.4 Spamming

    20.2.5 PC Intrusion

    20.2.6 Eavesdropping

    20.2.7 Phishing and Pharming

    20.2.8 Cookies

    20.3 Solutions to Computer Security Threats

    20.3.1 Solutions to Viruses, Adware and Spyware

    20.3.2 Solutions to Spam, Eavesdropping

    20.3.3 Solutions to PC Intrusion

    20.3.4 Solutions to Phishing and Pharming Attack

    20.4 Firewall-An Important Solution for Computer Security

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    Kabeer Sahib

    A Trained Post Graduate Teacher with 10 years of experience and working as TGT/PGT–Computer Science including good Management and administration skills with managerial positions in previous work environments

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