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The document discusses the basics of C programming language including the need for programming languages, problem solving, algorithms, flowcharts, pseudocode, data types, variables, operators, expressions, conditional statements, and arrays. It explains the basic structure of a C program, functions like main(), return statement, preprocessor directives, different types of variables and operators used in C programming.

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Programming in ‘C’ By : Sudesh Kantila
Syllabus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Unit - III ,[object Object],[object Object],[object Object]
Need for Programming Language ,[object Object],[object Object],[object Object],[object Object],[object Object]
What is Problem? ,[object Object],[object Object],[object Object]
Problem Solving ,[object Object],[object Object]
Examples – Problem Solving ,[object Object],[object Object],[object Object]
How to solve a problem? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Algorithm – Logic to solve ,[object Object],[object Object],[object Object],[object Object]
A simple problem - Factorial ,[object Object],[object Object],[object Object],[object Object],[object Object]
Logic 1: (Algorithm) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Logic 2: (Algorithm) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Flow Chart – Graphical Algorithm ,[object Object],[object Object],[object Object],[object Object]
Flow Chart – Logic 1 Yes No LET F=1 IF N > 1 INPUT N START OUTPUT F START F = F * N N = N - 1
Flow Chart – Logic 2 No Yes LET F=1 X = 1 IF X < N INPUT N START OUTPUT F START X = X + 1 F = F * X
Common Flow Chart Shapes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pseudocode ,[object Object],[object Object],[object Object],[object Object]
Pseudocode – Logic 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Programming (Coding) in C ,[object Object],[object Object],[object Object],[object Object],[object Object]
Unit - IV ,[object Object],[object Object],[object Object]
Basic Structure of a ‘C’ Program ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
C Program – Logic 3 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
C Program – Logic 3 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Preprocessor ,[object Object],[object Object],[object Object],[object Object]
main( ) function ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
return statement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Token ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Keywords ,[object Object],[object Object],[object Object],[object Object]
Constants ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Identifiers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Strings ,[object Object],[object Object],[object Object],[object Object]
Operators ,[object Object],[object Object],[object Object]
Expression ,[object Object],[object Object]
Statements ,[object Object],[object Object],[object Object],[object Object],[object Object]
Data Types ,[object Object],[object Object],[object Object],[object Object]
Basic Data Types
Other data types ,[object Object]
Remember about Constants ,[object Object],[object Object],[object Object]
Variables ,[object Object],[object Object],[object Object],[object Object],[object Object]
Types of Variables
Automatic (default) variable ,[object Object],[object Object],[object Object],[object Object]
Static variable ,[object Object],[object Object],[object Object],[object Object]
Register variable ,[object Object],[object Object],[object Object],[object Object]
Extern variable ,[object Object],[object Object],[object Object],[object Object],[object Object]
Operators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Assignment Operators (=) ,[object Object],[object Object],[object Object],[object Object]
Arithmatic Operators ( +,-,*,/,% ) ,[object Object],[object Object],[object Object],[object Object]
Increment (++) and Decrement (--) Operators ,[object Object],[object Object],[object Object]
Pre and Post ,[object Object],[object Object],[object Object]
Relational Operators ,[object Object],[object Object],[object Object]
Relational Operators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Logical Operators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Logical Operators (Truth Table) Operand 1 Operator Operand 2 Result False (0) && False (0) False (0) False (0) && True (1) False (0) True (1) && False (0) False (0) True (1) && True (1) True (1) False (0) || False (0) False (0) False (0) || True (1) True (1) True (1) || False (0) True (1) True (1) || True (1) True (1) False (0) ! Not Applicable True (1) True (1) ! False (0)
Logical Operators (Example) ,[object Object]
Conditional Operator (?:) ,[object Object],[object Object],[object Object]
Bitwise Operators ( << , >> ) ,[object Object],[object Object],[object Object],[object Object]
Bitwise Operators ( & , | , ! ) ,[object Object],[object Object],[object Object],[object Object]
Other operators ,[object Object],[object Object]
Other operators ,[object Object],[object Object],[object Object]
Other operators ,[object Object],[object Object],[object Object]
Input & Output Statements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Input & Output Statements I/O statements are written using I/O functions.
Unformatted Input – getc() ,[object Object],[object Object],[object Object],[object Object],[object Object]
Unformatted Input – getchar() ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Unformatted Input – getch() ,[object Object],[object Object],[object Object],[object Object],[object Object]
Unformatted Input – getche() ,[object Object],[object Object],[object Object],[object Object]
Unformatted Input – getw() ,[object Object],[object Object],[object Object],[object Object]
Unformatted Input – fgets() ,[object Object],[object Object],[object Object]
Unformatted Input –gets() ,[object Object],[object Object],[object Object],[object Object]
Formatted Input – fscanf() ,[object Object],[object Object],[object Object],[object Object],[object Object]
Formatted Input – scanf() ,[object Object],[object Object],[object Object],[object Object],[object Object]
Formatted Input – sscanf() ,[object Object],[object Object],[object Object],[object Object]
Unformatted Onput – putc() ,[object Object],[object Object],[object Object],[object Object],[object Object]
Unformatted Output – putchar() ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Unformatted Output – putch() ,[object Object],[object Object],[object Object],[object Object],[object Object]
Unformatted Output – putw() ,[object Object],[object Object],[object Object],[object Object]
Unformatted Output – fputs() ,[object Object],[object Object],[object Object]
Unformatted Output – puts() ,[object Object],[object Object],[object Object],[object Object]
Formatted Output – fprintf() ,[object Object],[object Object],[object Object],[object Object],[object Object]
Formatted Output – printf() ,[object Object],[object Object],[object Object],[object Object]
Formatted Output – sprintf() ,[object Object],[object Object],[object Object],[object Object]
Standard FILE * streams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Standard FILE * streams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Escape Sequences '* ' ,[object Object],[object Object],[object Object],[object Object]
Backslash Character Constants Constant Meaning ‘ ’ Audible alert (bell) ‘ ’ Back space ‘ ’ Form feed ‘ ’ New line ‘ ’ Carriage return ‘ ’ Horizontal tab ‘ ’ Vartical tab ‘ ’ Single quote ‘ ’ Double quote ‘ ’ Question mark ‘ ’ Backslash ‘ ’ null
This tutorial is not yet complete! ,[object Object],[object Object]
Query Time ? ,[object Object],[object Object]
Thankyou! ,[object Object],[object Object],[object Object],[object Object]

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Learn C

  • 1. Programming in ‘C’ By : Sudesh Kantila
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  • 14. Flow Chart – Logic 1 Yes No LET F=1 IF N > 1 INPUT N START OUTPUT F START F = F * N N = N - 1
  • 15. Flow Chart – Logic 2 No Yes LET F=1 X = 1 IF X < N INPUT N START OUTPUT F START X = X + 1 F = F * X
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  • 53. Logical Operators (Truth Table) Operand 1 Operator Operand 2 Result False (0) && False (0) False (0) False (0) && True (1) False (0) True (1) && False (0) False (0) True (1) && True (1) True (1) False (0) || False (0) False (0) False (0) || True (1) True (1) True (1) || False (0) True (1) True (1) || True (1) True (1) False (0) ! Not Applicable True (1) True (1) ! False (0)
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  • 62. Input & Output Statements I/O statements are written using I/O functions.
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  • 85. Backslash Character Constants Constant Meaning ‘ ’ Audible alert (bell) ‘ ’ Back space ‘ ’ Form feed ‘ ’ New line ‘ ’ Carriage return ‘ ’ Horizontal tab ‘ ’ Vartical tab ‘ ’ Single quote ‘ ’ Double quote ‘ ’ Question mark ‘ ’ Backslash ‘ ’ null
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