CLASS-XI COMPUTER SCIENCE (Python)
 # AS PER CBSE SYLLABUS

Unit 1: Computational Thinking and Programming

  • Basics of Python programming, Barebones of Python Programs
  • Python Character Set, Token & Identifiers, Keywords, Literals, Delimiters, operators
  • Variables and Assignments
  • Data Handling
  • Data-types (integer, float, string, etc.)
  • Mutable and Immutable Data types (Lists, tuples and dictionary)
  • Operators
    • Binary operators, Arithmetic, Relational operators
    •  Logical Operators, Augmented Assignment operators, etc.
  • Use of Comments (Single line & Multiline/ Continuation statements)
  • Conditional and Iterative Statements
  • Conditional Statement (if, if-else, if-elif-else)
  • Iterative statement (while, for)
  • Loop Else statement
  • Jump statement (break, continue)
  • Nested Loops
  • range(), len() function
  • String Manipulation
  • Traversing, Compare, Concatenation, Substring
  • String Operators (Basic Operators, Comparison Operators etc.)
  • String Slices, String Functions and methods
  • Debugging of Python Programs
  • Errors and exceptions
  • Debugging Tools (pdb, break points)
  • List Manipulation
  • Creating and accessing Lists
  • List Operations (Joining, Repeating, Replicating)
  • List Functions and Methods
  • Tuples
  • Creating and accessing Tuples
  • Tuple Operations (Joining, Slicing)
  • Tuple Functions and Methods
  • Dictionaries
  • Creating, accessing elements and characteristics of Dictionary
  • Dictionary Operations
    • Adding, Updating and deleting elements
    • Checking for key, Pretty printing
  • Dictionary Functions and Methods
  • Sorting
  • Bubble sort
  • Insertion sort
  • States and Transition
  • States, Transition and Diagrams
  • Introduction to Python modules
    • Importing math (sqrt, cell, floor, pow, fabs, sin, cos, tan)
    • random (random, randint, randrange)
    • statistics (mean, median, mode) modules

Unit 2: Computer System and Organization

  • Basic computer organization
  • CPU
  • Memory
  • Hard disk
  • Input and Output
  • Storage Units (bit, byte, MB, GB, TB, and PB, etc.)
  • System Bus
  • Types of software
  • Application
  • System
  • Utility
  • Information (Data) representation
  • Numbers in base 2(Binary), 8(Octal), 16(Hexadecimal)
  • Number Conversion
  • Binary addition
  • Character/Strings Representation
  • ASCII
  • UTF8, UTF32
  • ISCII (Indian script code)
  • Unicode
  • Boolean logic
  • Logic Gates (OR, AND, NAND, NOR, XOR, NOT)
  • Truth Tables
  • Postulates of Boolean Logic
  • Principle of Duality
  • Basic Theorems of Boolean Algebra
  • De Morgan’s laws
  • Simplifying a Boolean Expression
  • Basic concepts of Flowchart
  • Execution of  a program
  • Concept of Compiler & Interpreter
  • Basic flow of Compilation
  • Role of Operating system in running a program
    • (Operating system as a resource manager)
  • Concept of cloud computing, cloud (public/private)
  • Introduction to parallel computing

Unit 3: Data Management

  • Relational databases
  • Database, relations, attributes and tuples
  • Keys (candidate key, primary key, alternate key, foreign key)
  • Degree andcardinality of a table
  • SQL (Structured Query Language)
  • DDL/ DML commands
  • CREATE TABLE
  • INSERT INTO
  • UPDATE TABLE
  • DELETE FROM
  • ALTER TABLE
  • MODIFY TABLE
  • DROPTABLE
  • Eliminating redundant Data (with keyword Distinct)
  • Using Column Aliases
  • Logical Operators
  • SELECT-FROMWHERE-ORDER BY along with BETWEEN, IN, LIKE
  • MySQL functions
  • String Functions
  • Numeric Functions
  • Date and Time Functions
  • Aggregate functions (MIN, MAX, AVG, COUNT, SUM)
  • Table Joins and Indexes in SQL
  • Joins
  • Joining more than two Tables
  • Equi Join
  • Non-Equi Join
  • Natural join
  • Indexes
  • Creation of Indexes in MySQL
  • Basics of NoSQL databases
  • Types of NoSQL databases
  • Working with MongoDB
  • CRUD Operations in MongoDB (Create, Read, Update, Delete)

Unit 4: Society, Law and Ethics – Cyber safety

  • Cyber safety
  • Safely browsing the web, Identity protection
  • Confidentiality
  • Social networks
  • Cyber Crime, Cyber trollsand bullying
  • Appropriate usage of social networks
  • Online access and Computer Security
  • Threats to Computer security while accessing websites
  • Spyware, Adware
  • Viruses, Trojans
  • Spamming, Cookies
  • Solutions to Computer Security Threats, Firewall
  • Threats while communicating data
  • Secure connections
  • Eavesdropping
  • Phishing and identity verification

 

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