CBSE 2010 Class Xllth Computer Science Sample Papers
Computer science is a very vast field and the scope is huge. Computer science broadly means the study of both the hardware and the software but it is further divided into many subfields when combined with other fields, for example, developing machine with artificial intelligence. Friends, whatever you study in class 12th is the basis for any computer oriented stream. You need a strong edifice for the subsequent building of knowledge. According to my personal experience, the importance of computer science also increase because there is no placement paper of any company that does not have questions from C, C++, data structures and SQL, so now is the time for you to work hard and get all your basics right.
Download CBSE 2010 Class Xll Computer Science Sample Papers
• Computer Science Sample Paper 1
• Computer Science Sample Paper 2
• Computer Science Sample Paper 3
• Computer Science Sample Paper 4
• Computer Science Sample Paper 5
CBSE Syllabus Class 12 for 2010 : Computer Science
Computer Science : CBSE syllabus class 12 for March 2010 examinations
COURSE STRUCTURE
Class XII
Computer Science (Code 083)
OnePaper 3 Hours 70 Marks
Unit – Marks
PROGRAMMING IN C++ -30
DATA STRUCTURE -16
DATABASE AND SQL -08
BOOLEAN ALGEBRA -08
COMMUNICATION AND NETWORK CONCEPTS -08
TOTAL -70
UNIT 1: PROGRAMMING IN C++
REVIEW: C++ covered In Class -XI,
Defining a symbol name using type def keyword and defining a macro using #define directive; Need for User defined data type;
Structures:
Defining a Structure, Declaring structure variables, Accessing structure elements, Passing structure to Functions as value and reference argument/parameter, Function returning structure, Array of structures, passing an array of structure as an argument/ a parameter to a function;
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), Array of type class, 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, 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 class(es);
Data File Handling:
Need for a data file, Types of data files – Text file and Binary 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 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:
Declaration and Initialization of Pointers; 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 referencial structures;
UNIT 2: DATA STRUCTURES
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, Bubble sort), concatenation of two linear arrays, merging of two sorted arrays;
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): Operations on Queue (Insert and Delete) and its Implementation in C++.
UNIT 3: DATABASES AND SQL
Database Concepts:
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, CHARACTER, 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;
Note: Implementation of the above mentioned commands could be done on any SQL supported software.
UNIT 4: BOOLEAN ALGEBRA
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, 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);
Basic Logic Gates (NOT, AND, OR, NAND, NOR) and their use in circuits.
UNIT 5: COMMUNICATION AND NETWORK CONCEPTS
Evolution of Networking: ARPANET, Internet, Interspace;
Different ways of sending data across the network with reference to switching techniques; 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; Different Topologies- Bus, Star, Tree; Concepts of LAN, WAN, MAN;
Protocol: TCP/IP, File Transfer Protocol (FTP), PPP, Level-Remote Login (Telnet), Internet, Wireless/Mobile Communication, GSM, CDMA, WLL, 3G, SMS, Voice mail, Application Electronic Mail, Chat, Video Conferencing;
Network Security Concepts: Cyber Law, Virus threats and prevention, Firewall, Cookies, Hacking; WebPages; 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.
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106 Responses to “CBSE 2010 Class Xllth Computer Science Sample Papers”
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