Class XII book for computer science with python

A book for python language class XII as per CBSE syllabus.
This book is fully solved and easy to read.

Class XI book for Computer Science with Python

A book for python language class XI as per CBSE syllabus.
This book is fully solved and easy to read.
 

Syllabus XII 083 Computer Science with Python

Unit 1: Object Oriented Programming with Python (50 theory + 40 practical) periods

REVIEW: Python covered In Class-XI
Concept of Object Oriented Programming: Data Hiding, Data Encapsulation, Class and Object,
Polymorphism, inheritance, advantages of Object Oriented Programming over earlier programming
methodologies,
Classes: Defining classes (attributes, methods), creating instance objects, accessing attributes
and methods, using built in class attributes (dict, doc, name, module, bases), Constructor( _
_init()_ _, _ _del()_ _ and _ _ str()_ _) methods in a class, private attributes (limited support),
importance of “self” (acts as a pointer to current calling object) operator overloading with
methods.
Inheritance:
Concept of base class and derived class: Single, multilevel and multiple inheritance- Overriding
methods, using super( ) in derived class to invoke _ _init()_ _ or overridden methods of parent
class.

Unit 2: Advance Programming with Python (42 Theory + 36 Practical) Periods

Linear List Manipulation: Sequential allocation, traversal,insertion of an element in a sorted list,
deletion of an element from the list, searching (linear, binary), sorting (insertion, selection,
bubble).
Stacks (List Implementation): Introduction to stack (LIFO Operations ), operations on stack (PUSH
and POP ) and its implementation in python.
Converting expression from infix to postfix notation and evaluation of postfix expression.
Queues (List implementation) – Introduction to Queue(FIFO) , Operations on Queue (INSERT and
DELETE) and its implementation in Python.
Data File Need for non bold for data file, types of data file–text and binary,opening and closing filesopen(
), close( ), access modes (output, input, default), file object, access_modes, reading and
writing a file Read(), readline(), readlines(), write(), writeliness file positions (seek(), tell()),
renaming and deleting a file.,flush();
Implementation of basic file operations on text and binary file in Python: Creating/writing data
into file, reading and displaying data from file, searching for particular data from a file, insertion
and deletion of data from an already existing file, modification of data in file.
Error and Exceptions – NameError, IndexError, TypeError, IO Error, ImportError, ValueError,
EOFError. Generator function using Yield.

Unit 3: Databases and SQL (20 Theory + 20 Practical) Periods

Data base Concepts: Introduction to data base concepts and its need.
Relational data model: Concept of domain, tuple, relation, key, primary key, alternate key,
candidate key;
Relational algebra : Selection, Projection, Union and Cartesian product;
Structured Query Language:
General Concepts: Advantages of using SQL, Data Definition Language and Data Manipulation
Language;
Data Types: NUMBER/DECIMAL, CHARACTER/VARCHAR/VARCHAR2, DATE;
SQL COMMANDS: CREATE TABLE, DROP TABLE, ALTER TABLE, UPDATE ….SET…., INSERT, DELETE;
SELECT, DISTINCT, FROM, WHERE, IN, BETWEEN, GROUP BY, HAVING, ORDER BY;
SQL functions: SUM ( ), AVG ( ), COUNT ( ), MAX ( ) AND MIN ( ); Obtaining results (SELECT query) from 2 tables using equi-join, Cartesian product and Union
Note: Implementation of the above mentioned commands could be done on any SQL supported
software on one or two tables.

Unit 4: Boolean Algebra (16 Theory + 0 Practical) Periods

Role of Logical Operations in Computing.
Binary-valued Quantities, Boolean Variable, Boolean Constant and Boolean Operators: AND, OR,
NOT; Truth Tables; Closure Property, Commutative Law, Associative Law, Identity law, Inverse
Law, Principle of Duality, Idempotent Law, Distributive Law, Absorption Law, Involution Law,
DeMorgan.s Law and their applications;
Obtaining Sum of Product (SOP) and Product of Sum (POS) form the Truth Table, Reducing Boolean Expression (SOP and POS) to its minimal form, Use of Karnaugh Map for minimization of Boolean expressions (up to 4 variables);
Application of Boolean Logic: Digital electronic circuit design using basic Logic Gates (NOT, AND,
OR, NAND, NOR) Use of Boolean operators (NOT, AND, OR) in SQL SELECT statements
 Use of Boolean operators (AND, OR) in search engine queries.

Unit 5: Communication Technologies (16 Theory + 3 Practical) Periods
Evolution of Networking: ARPANET, Internet, Interspace Different ways of sending data across
the network with reference to switching techniques (Circuit and Packet switching).
Data Communication terminologies: Concept of Channel, Bandwidth (Hz, KHz, MHz) and Data
transfer rate (bps, Kbps, Mbps, Gbps, Tbps).
Transmission media: Twisted pair cable, coaxial cable, optical fiber, infrared, radio link,
microwave link and satellite link.
Network devices: Modem, RJ45 connector, Ethernet Card, Router, Switch, Gateway, wifi card.
Network Topologies and types: Bus, Star, Tree, PAN, LAN, WAN, MAN.
Network Protocol: TCP/IP, File Transfer Protocol (FTP), PPP, SMTP, POP3 Remote Login (Talent),
and Internet Wireless/Mobile Communication protocol such as GSM, CDMA, GPRS, and WLL.
Mobile Telecommunication Technologies : 1G, 2G, 3G and 4G
Electronic mail protocols such as SMTP, POP3
Protocols for Chat and Video Conferencing VOIP
Wireless technologies such as Wi-Fi and WiMax
Network Security Concepts:
Threats and prevention from Viruses, Worms, Trojan horse, Spams
Use of Cookies, Protection using Firewall.
India IT Act, Cyber Law, Cyber Crimes, IPR issues, hacking.
Introduction To Web services: WWW, Hyper Text Markup Language (HTML), Extensible Markup
Language (XML); Hyper Text Transfer Protocol (HTTP); Domain Names; URL; Website, Web
browser, Web Servers; Web Hosting, Web Scripting – Client side (VB Script, Java Script, PHP) and
Server side (ASP, JSP, PHP), Web 2.0 (for social networking)

Class XII (Practical)
Python
Duration: 3 hours Total Marks: 30

1. Programming in Python 12

One programming problem in Python to be developed and tested in Computer Lab during the
Examination. Marks are allotted on the basis of following:
Logic : 7 Marks
Documentation/Indentation : 2 Marks
Output presentation : 3 Marks
Note: The types of problems to be given will be of application type developed using classes from the
following topics
. String
. Lists/Tuples
. Dictionary
. File Operations

2. SQL Commands 05

 Five Query questions based on a particular Table/Relation to be tested practically on Computer during the examination. The command along with the result must be written in the answer sheet.

3. A digital circuit design (after reduction using K-map) to be given during the examination .The question must be written in the answer sheet. 02

4. Project Work 05

The project has to be developed in Python language with Object Oriented Technology.
(The project is required to be developed in a group of 2-4 students)
. Presentation on the computer
. Project report (Listing, Sample, Outputs, Documentation)
. Viva

5. Practical File 3+1*

 Must have minimum 20 programs from the following topics
. Lists (general, stack, queue)
. File Handling
. Programs based on Object Oriented Concepts
. 15 SQL commands along with the output based on any table/relation

*1 mark is for innovating while developing programme.

6. Viva Voce 02

 Viva will be asked from syllabus covered in class XII and the project developed by student.
GUIDELINES FOR PROJECTS (Class XI and XII)
1. Preamble
1.1 The academic course in Computer Science includes one Project in each year. The Purpose behind
this is to consolidate the concepts and practices imparted during the course and to serve as a
record of competence.
1.2 A group of 2-4 students as team may be allowed to work on one project.
2. Project content
2.1 Project for class XI can be selected from the topics mentioned in the syllabus or domains on similar
lines.
2.2 Project for class XII should ensure the coverage of following areas of curriculum:
a) Problem Solving
b) Object Oriented Programming in Python
c) File Handling

 Theme of the project can be
. Any Scientific or a fairly complex algorithmic situation
. Quizzes/Games
. Tutor/Computer Aided Learning Systems

2.3 The aim of the project is to highlight the abilities of algorithmic formulation, modular
programming, systematic documentation and other associated aspects of Software Development.
2.4 The assessment would be through the project demonstration and the Project Report, which should
portray Programming Style, Structured Design, Good documentation of the code to ensure
readability and ease of maintenance.

COMPUTER SCIENCE    083   (Syllabus as per CBSE class XI and XII  )


Note: Schools may choose from option 1 (Python) or option 2 (C++) and teach accordingly.

Learning Objectives:

• To understand basics of computers.
• To develop logic for Problem Solving.
• To develop problem solving skills and their implementation through Python (version: 2.7) or using C++.
• To understand and implement the concept of Object Oriented Methodology.
• To understand the concept of working with Relational Database.
• To understand the basic concept of Computing Logic.
• To understand the basic concepts of Communication and Networking technologies.
• To understand Open Source Software.

Class XI

 Unit 1: Computer Fundamentals (18 Theory + 6 Practical) Periods
Classification of computers: Basics of computer and its operation; Functional Components and their interconnections, concept of Booting.
Software concepts: Types of Software – System Software, Utility Software and Application Software
System Software: Operating System, Compiler, Interpreter and Assembler;
Operating System: Need for Operating System, Functions of Operating System (Processor Management, Memory Management, File Management and Device Management), Types of Operating System-Interactive (GUI based), Time Sharing, Real Time and Distributed, Commonly used Operating System: UNIX, LINUX, Windows, Solaris, BOSS (Bharat Operating System Solutions); Mobile OS – Android, Symbian.
Utility Software: Anti Virus, File Management tools, Compression tools and Disk Management tools (Disk Cleanup, Disk Defragmenter, Backup).
Open Source Concepts: Open Source Software, Freeware, Shareware, and Proprietary Software. Application Software: Office Tools – Word Processor, Presentation Tool, Spreadsheet Package,
Database Management System; Domain Specific tools – School Management System, Inventory Management System, Payroll System, Financial Accounting, Hotel Management, Reservation System and Weather Forecasting System.
Number System: Binary, Octal, Decimal, Hexadecimal and conversion between different number systems. Internal Storage encoding of Characters: ASCII, ISCII (Indian Scripts Standard Code for Information Interchange), and UNICODE (for multilingual computing)
Microprocessor: Basic concepts, Clock speed (MHz, GHz), 16 bit, 32 bit, 64 bit, 128 bit processors; Types – CISC Processors (Complex Instruction Set Computing), RISC Processors (Reduced Instruction Set Computing), and EPIC (Explicitly Parallel Instruction Computing). Memory Concepts: Units: Byte, Kilo Byte, Mega Byte, Giga Byte, Tera Byte, Peta Byte, Exa Byte, Zetta Byte, Yotta Byte. Primary Memory: Cache, RAM, ROM Secondary Memory: Fixed and Removable storage – Hard Disk Drive, CD/DVD Drive, Pen Drive, Blue Ray Disk. Input Output Ports/ Connections: Serial, Parallel and Universal Serial Bus, PS-2 port, Infrared port, Bluetooth, Firewire.

 

Unit 2: Programming Methodology       (28 Theory + 10 Practical) Periods

 

General Concepts: Modular Approach, Clarity and Simplicity of Expressions, Use of proper names

for Identifiers, Comments, Indentation; Documentation and Program Maintenance; Running and

Debugging programs, Syntax Errors, Run-Time Errors, Logical Errors

Problem Solving Methodologies: Understanding of the problem, Solution for the problem,

Identifying minimum number of inputs required for output, Writing code to optimizing execution

time and memory storage, step by step solution for the problem, breaking down solution into

simple steps (modular approach), Identification of arithmetic and logical operations required for

solution; Control Structure- Conditional control and looping (finite and infinite).

Problem Solving: Introduction to Algorithms/Flowcharts.

 

Unit 3: Introduction to Python (44 Theory + 36 Practical) Periods

 

Getting Started: Introduction to Python - an integrated high level language, interactive mode and

script mode. Data types – Number (Integer – boolean, decimal, octal, hexadecimal; Floating point;

Complex), none, Sequence (String,Tuples, List ) Sets, Mapping.

Mutable and Immutable Variables

Variables, Expressions and Statements: Values, Variables and Keywords; Operators and Operands

in Python: (Arithmetic, Relational and Logical operators), Operator precedence, Expressions and

Statements (Assignment statement); Taking input (using raw_input() and input() and displaying

output(print statement); (single and multiple line) prints with escape sequence and various

formats; Putting Comments.

 Functions: Importing Modules (entire module or selected objects), invoking built in functions,

functions from math module (for e.g. ceil, floor, fabs, exp, log, log10, pow, sqrt, cos, sin, tan,

degrees, radians, factorial,trunc,fmod),functions from random module (uniform, random, randint

choice shuffle). Function from datetime module (date, time, datetime, timedate), functions from

remodule (compile, match, group, start, end, span, search, findall, finditer), compostion.

Defining functions, invoking functions, arguments and parameters, scope (local and global),

passing parameters (default parameter values, keyword arguments), scope of variables, void

functions and functions returning values, flow of execution,recursion.

Conditional and looping construct: if else statement while, for (range function), break, continue,

else, pass, nested if, nested loops ,use of compound expression in conditional and looping

construct.

 

Unit 4: Programming with Python (50 Theory + 48 Practical) Periods

 

Strings:Creating, initializing and accessing the elements; String operators: +, *, in, not in, slice

[n:m]; Comparing strings using relational operators; String functions & methods: len( ), capitalize

( ), find( ), isalnum( ), isalpha( ), isdigit( ), lower( ), islower( ), isupper( ), upper( ), lstrip( ),

rstrip( ), isspace( ), istitle( ), partition( ), replace ( ), join( ), spilt( ), count( ), decode( ), encode

( ), swapcase( ), String( ), constants, Regular Expressions and Pattern Matching.

Lists: Concept of mutable lists, creating, initializing and accessing the elements, traversing,

appending, updating and deleting elements, composition, lists as arguments .

List operations: Joining, slicing, +,*, in, not in.

List functions and methods: len( ), insert( ), append( ), extend( ), sort( ), remove( ), reverse( ),

pop( ), list( ), count( ), extend( ), index( ), cmp( ), max( ), min( ).

Dictionaries: Concept of key-value pair, creating, initializing and accessing the elements in a

dictionary, traversing, appending, updating and deleting elements.

Dicitionary functions and methods: cmp ( ), len( ), clear( ), get( ), has_key( ), items( ),

key( ), update( ), values( ), pop( ), fromkeys( ), dict( ).

Tuples: Immutable concept, creating1, initializing and accessing elements in a tuple, Tuple

assignment, Tuple slices, Tuple indexing.

Tuple Functions: cmp( ), len( ), max( ), min( ), tuple( ), index( ), count( ), sum( ), any( ),

all( ), sorted( ), reversed( ).

 

 

Class XI (Practical)

Python

Duration: 3 hours Total Marks: 30

 

1. Programming in Python 12

One programming problem in Python to be developed and tested on Computer during the examination.
Marks are allotted on the basis of following:
Logic : 7 Marks
Documentation : 2 Marks

Output presentation : 3 Marks

 

2. One logical problem to be solved through flow charts. 

3. Project Work

Problems using String or List manipulation: General Guidelines: Initial Requirement, developing an
interface for user (it is advised to use text based interface screen), developing logic for playing the
game and developing logic for scoring points

. Hollywood/Hangman: A word Guessing game
. Cows 'N Bulls: A word/number Guessing game
. Random Number Guessing Game (High\Low)
. A game to check whether a word does not use any of the forbidden letters

or
Similar projects may be undertaken in other domains.(As mentioned in general guidelines for project,
given at the end of the curriculum in a group of 2-4 students)

 

4. Practical File 3+1*

(a) Record of the configuration of computer system used by the student in the computer lab (by
exploring inside computer system in the first 2 lab classes).
(b) Must have minimum 20 programs from the topics covered in class XI course.

. Programs on Control structures
. Programs on String manipulations
. Programs on List Manipulations
. Program in tuple & dictionary manipulation.
*1 mark is for innovating while developing programmes.

5. Viva Voce 02

Viva will be asked from the syllabus covered in class XI and the project developed by the student(s).