COMPUTER SCIENCE (THEORY)

 

Unit 1 : Object Oriented Programming In C++ (30 Marks)

 

REVIEW: C++ covered In Class -XI,

 

Object Oriented Programming:

Concept of Object Oriented Programming - Data hiding, Data encapsulation, Class and Object, Abstract class and Concrete class, Polymorphism (Implementation of polymorphism using Function overloading as an example in C++); Inheritance, Advantages of Object Oriented Programming over earlier programming methodologies,

 

Implementation of Object Oriented Programming concepts in C++:

Definition of a class, Members of a class - Data Members and Member Functions (methods), Using Private and Public visibility modes, default visibility mode (private); Member function definition: inside class definition and outside class definition using scope resolution operator (::); Declaration of objects as instances of a class; accessing members from object(s), Objects as function arguments - pass by value and pass by reference;

 

Constructor and Destructor:

Constructor: Special Characteristics, Declaration and Definition of a constructor, Default Constructor, Overloaded Constructors, Copy Constructor, and Constructor with default arguments;

 

Destructor:

Special Characteristics, Declaration and definition of destructor;

 

Inheritance (Extending Classes):

Concept of Inheritance, Base Class, Derived Class, Defining derived classes, protected visibility mode; Single level inheritance, Multilevel inheritance and Multiple inheritance, Privately derived, Publicly derived and Protectedly derived class, accessibility of members from objects and within derived classes;

 

Data File Handling:

Need for a data file, Types of data files - Text file and Binary file;

 

Text File: Basic file operations on text file:

Creating/Writing text into file, Reading and Manipulation of text from an already existing text File (accessing sequentially);

 

Binary File:

Creation of file, Writing data into file, Searching for required data from file, Appending data to a file, Insertion of data in sorted file, Deletion of data from file, Modification of data in a file; Implementation of above mentioned data file handling in C++; Components of C++ to be used with file handling: Header file: fstream.h; ifstream, ofstream, fstream classes;

Opening a text file in, out, and app modes; Using cascading operators (>> <<) for writing text to the file and reading text from the file; open(), get(), put(), getline() and close() functions; Detecting end-of-file (with or without using eof() function); Opening a binary file using in, out, and app modes; open(), read(), write() and close() functions; Detecting end-of-file (with or without using eof() function); tellg(), tellp(), seekg(), seekp() functions.

 

Pointers:

Introduction to Pointers: Declaration and Initialization of Pointer Dynamic memory allocation.

Deallocation operators: new, delete; Pointers and Arrays: Array of Pointers, Pointer to an array (1 dimensional array), Function returning a pointer, Reference variables and use of alias; Function call by reference. Pointer to structures: Deference operator: *, ->; self referential structures;

 

Unit 2 : Data Structures (14 Marks)

Introduction to data structure, primitive and non-primitive data structure, linear and non-linear structure, static and dynamic data structure.

Arrays:

One and two Dimensional arrays: Sequential allocation and address calculation; One dimensional array: Traversal, Searching (Linear, Binary Search), Insertion of an element in an array, deletion of an element from an array, Sorting (Insertion, Selection, Two-dimensional arrays: Traversal, Finding sum/difference of two NxM arrays containing numeric values, Interchanging Row and Column elements in a two dimensional array;

Stack (Array and Linked implementation of Stack):

Operations on Stack (PUSH and POP) and its Implementation in C++, Converting expressions from INFIX to POSTFIX notation and evaluation of Postfix expression;

Queue: (Circular Array and Linked Implementation):

Introduction to Queue (FIFO - First in First out operations) Operations on Queue (Insert and Delete) and its Implementation in C++.

 

Unit 3 : Databases And SQL (10 Marks)

Database 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;

 

Unit 4 : Boolean Algebra, Networking And Open Source Software (16 Marks)

Role of Logical Operations in Computing. Binary-valued Quantities, Logical Variable, Logical Constant and Logical Operators: AND, OR, NOT; Truth Tables; Closure Property, Commutative Law, Associative Law, Identity law, Inverse law, Principle of Duality, Idem potent Law, Distributive Law, Absorption Law, Involution law, DeMorgan's Law and their applications; Obtaining Sum of Product (SOP) and Product of Sum (POS) form from 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 Computing Logic:

Building up logic circuits using basic Logic Gates (NOT, AND, OR, NAND, NOT) Use of Boolean operators (NOT, AND, OR) in SQL SELECT statements Use of Boolean operators (AND, OR) in search engine queries.

NETWORKING TECHNOLOGIES

Evolution of Networking: ARPANET, Internet, Interspace Different ways of sending data across the network with reference to switching techniques (Circuit, Message and Packet switching)

Data Communication terminologies:

Concept of Channel, Baud, 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, Hub, Switch, Gateway

Network Topologies and types:

Bus, Star, Tree; PAN, LAN, WAN, MAN

Network Protocol:

TCP/IP, File Transfer Protocol (FTP), PPP, Remote Login (Telnet), Internet Wireless/Mobile Communication protocol such as GSM, CDMA, GPRS, WLL, 1G, 2G and 3G Electronic mail protocols such as SMTP, POP3 Protocols for Chat and Video Conferencing VoIP protocols 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.

Web Services:

WWW, Hyper Text Markup Language (HTML), extensible Markup Language (XML); Hyper Text Transfer Protocol (HTTP); Domain Names; URL; Protocol Address; 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)

Open Standards:

Introduction to open standards and its advantage in development of inter-operable environment.

Open Source Concepts:

Proprietory and Open Source Software, Freeware, Shareware, FLOSS/FOSS, GNU,FSF, OSI,W3C.

COMPUTER SCIENCE (PRACTICAL)

 

Unit 1 : Programming in C++, SQL Commands (15 Marks)

Programming in C++ :

One programming problem in C++ to be developed and tested in Computer during the Examination. Marks are allotted on the basis of following:

• Logic: 5 Marks
• Documentation/Indentation: 2 Marks
• Output presentation: 3 Marks

Notes: The types of problems to be given will be of application type from the following topics

• Arrays (One dimensional and two dimensional)
• Array of structure
• Stack using arrays and linked implementation
• Queue using arrays (circular) and linked implementation
• Binary File operations (Creation, Displaying, Searching and modification)
• Text File operations (Creation, Displaying and modification)

SQL Commands

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

 

Unit 2 : Project Work, Practical File, Viva Voice (15 Marks)

Project Work :

The project has to be developed in C++ language with Object Oriented Technology and also Should have use of Data files. (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

Practical File

Must have minimum 20 programs from the following topics

• Arrays (One dimensional and two dimensional, sorting, searching, merging, deletion & insertion of elements)
• Arrays of structures
• Stacks using arrays and linked implementation
• Queues using arrays (linear and circular) and linked implementation
• File (Binary and Text) operations (Creation, Updation, Query))
• Any computational based problems

15 SQL commands along with the output based on any table/relation

Viva Voce

Viva will be asked from syllabus covered in class XII and the project developed by student.

 

Referred Book:

COMPUTER SCIENCE REFERENCE BOOKS FOR HIGH SCHOOL DIPLOMA

Computer Organization and Boolean Algebra

1. Rajaraman, FUNDAMENTALS OF COMPUTERS, Prentice Hall of India.
2. C.W.Gear, COMPUTER ORGANISATION AND PROGRAMMING, McGraw Hill Publishing.
3. A.P. Malvino, DIGITAL COMPUTER FUNDAMENTALS, Tata McGraw Hill Publishing Co. Ltd.
4. J. Shelly & Roger Hunt, COMPUTER STUDIES, Wheeler's Publication.
5. C.S. French, COMPUTER STUDIES, Arnold Publishers.
6. Thomas C. Bartee, DIGITAL COMPUTER FUNDAMENTALS, McGraw Hill International.

Problem Solving and Programming in C++

Note: Prior knowledge of C is not required in the learning of C++, even though reference about C are made in some of the books.

• Robert Lofore, OBJECT ORIENTED PROGRAMMING IN TURBO C++, Galgotia Publications Pvt. Ltd.
• David Parsons, OBJECT ORIENTED PROGRAMMING WITH C++, BPB Publications.
• Bjarne Stroutrup, THE C++ PROGRAMMING LANGUGE, Adison Wesley.
• AI Stevens, TEACH YOUR SELF C++ TECHNIQUES & APPLICATIONS, BPB Publications.
• Scott Robbert Ladd, TURBO C++ TECHNIQUES & APPLICATIONS, BPB Publications.

Operating Environment

• Ritchi, Operating Systems, BPB Publications
• James L. Peterson & Abraham S., OPERATING SYSTEM, Addison- Wesley Publishing Company.

Data Structures

• M.A., Weiss, Data Stuctures and Algorithm Analysis in C++. the Benjamin/Cummings Pub. Co., Inc.
• Scott Rober Ladd, C++ COMPONENTS AND ALGORITHMS, BPB Publications.

Database Management System and SQL

• Martin Gruber, UNDERSTANDING SQL, BPB Publications.
• Sheldon M. Dunn x Base Cross Reference Handbook, First Authorized Asian Edition 93, Tech. Publications Pvt. Ltd.
• C.J. Data, DATABASE PRIMER, Adison Wesley.

Computer Network

• A.S. Tanenbaum, Computer Network, Prentice Hall of India P. Ltd.
• Williams Stalling, Data Communication and Networks, Prentice Hall of India P. Ltd.
• Hancock, Network Concept and Architectures, BPB Publications.

Reference Magazines

PC WORLD, COMPUTERS TODAY, PC QUEST, DATA QUEST, COMPUTER WORLD.

Reference Manuals

OPERATING SYSTEM MANUAL, C++ COMPILER MANUAL