CBSE Class 12 Computer Science Syllabus 2017 2018

CBSE Class 12 Computer Science Syllabus 2017-2018. Download the latest syllabus to do your studies as per the latest guidelines issued by CBSE NCERT. The syllabus, weightage of chapters, blue print of question papers and the design of question papers is issued every year for the benefit of students. Access all syllabus for all subjects here.

14. COMPUTER SCIENCE (Code No. 083)
Learning Objectives:
 To understand basics of computers.
 To develop logic for Problem Solving.
 To develop problem solving skills and their implementation 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 concepts.
Class XI (Theory) - C++
Duration: 3 hours Total Marks: 70
Unit No. Unit Name Marks
Total 70
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
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, IOS.
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
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 C++ (44 Theory + 36 Practical) Periods
Getting Started: C++ character set, C++ Tokens (Identifiers, Keywords, Constants, Operators,),
Structure of a C++ Program (include files, main function), Header files – iostream.h, iomanip.h,
cout, cin; use of I/O operators (<<and>>), Use of endl and setw ( ), Cascading of I/O operators,
compilation , Error Messages; Use of editor, basic commands of editor, compilation, linking and
Data Types, Variables and Constants: Concept of Data types; Built-in Data types: char, int , float
and double; Constants: Integer Constants, Character constants (- \n, \t, \b), Floating Point
Constants, String Constants; Access modifier: const; Variables of built-in-data types,
Declaration/Initialization of variables, Assignment statement, Type modifier: signed, unsigned, long
Operator and Expressions: Operators: Arithmetic operators (-,+,*,/,%), Assignment operator (=),
c++ shorthands (+=, -=,*=,/=,%=) Unary operators (-), Increment (++) and Decrement (--)
Operators, Relational operator (>,>=,<=,=,!=), Logical operators (!,&&,||), Conditional operator:
<condition>?<if—true>:<if false>; Precedence of Operators; Automatic type conversion in
expressions, Type casting;
UNIT 4: PROGRAMMING IN C++ (50 Theory + 48 Practical) Periods
Flow of control
Conditional statements: if else, Nested if,, use of conditional operator,
Nested, break statement (to be used in only); Loops: while, do –
while, for and Nested loops
Inbuilt Functions
Header file Categorization Header File Function
Standard input/output functions stdio.h gets ( ), puts ( )
Character Functions
ctype.h isalnum ( ), isalpha ( ),
isdigit ( ), islower ( ),
isupper ( ), tolower ( ),
toupper ( )
String Function
strcpy ( ), strcat ( ),
strlen ( ), strcmp ( ),
strcmpi ( ), strrev ( ),
strupr ( ), strlwr ( )
Mathematical Functions
math.h fabs ( ), pow ( ), sqrt ( ), sin ( ),
cos ( ), abs ( )
Introduction to user-defined function and its requirements.
Defining a function; function prototype, Invoking/calling a function, passing arguments to
function, specifying argument data types, default argument, constant argument, call by value,
call by reference, returning values from a function, calling functions with arrays, scope rules of
variables: local and global variables.
Relating to Parameters and return type concepts in built-in functions.
Structured Data Type
Arrays: Introduction to Array and its advantages.
One Dimensional Array: Declaration/initialization of One-dimensional array, Accepting array
elements, accessing array elements, manipulation of array elements (sum of elements, product of
elements, average of elements, linear search, finding maximum/minimum value)
Declaration / Initialization of a String, string manipulations (counting vowels/ consonants/ digits/
special characters, case conversion, reversing a string, reversing each word of a string)
Two-dimensional Array: Declaration/initialization of a two-dimensional array, inputting array
elements, accessing array elements, manipulation of Array elements (sum of row element, column
elements, diagonal elements, finding maximum / minimum values)
User-defined Data Types: Introduction to user defined data types.
Structure: Defining a Structure (Keyword Structure), declaring structure variables, accessing
structure elements, passing structure to functions as value and reference, argument/parameter,

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