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Title: Introduction Of C Programming
Description: Course : C Programming Introduction. This notes include History of C, Program structure, Basic rules and Concepts of C programming.
Description: Course : C Programming Introduction. This notes include History of C, Program structure, Basic rules and Concepts of C programming.
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By Praveen
By Praveen
Session Objectives
Discuss the Origin of C
Features of C
Characteristics of C
Current Uses of C
“C” Programming Structure
Character Set
By Praveen
“C” is a Middle Level language
By Praveen
“C” is a Structure & Procedure Oriented Programming
language developed by Dennis Ritchie at AT&T Bell Laboratories
in USA in the Year 1972
(Basic Combined Programming Language)
By Praveen
Features of “C” Language
Economy of Expressions
Modern Control Flow and Structures
Rich Set of Operators
It is Well suited for writing both System
Software
like
Operating
Systems,
Interpreters,
Editors
and
Assembly
Programs
By Praveen
UNIX Operating System was Developed by Using “C”
Language
Developing database Systems
Graphics Packages
Spread Sheets
Word Processors
Office automation
Scientific/Engineering Applications
CAD/CAM Applications
By Praveen
Preprocessor Directives (Incl
...
They are not translated into machine language, but are
operated upon directly by the compiler before the
compiling process begins
...
By Praveen
A lot of library functions are
subdivided into number of groups
...
h>
Examples:
#include
h>
Stdio
Conio
Void
main()
By Praveen
-> Standard Input/Output
-> Console Input/Output
-> Keyword
...
-> It is a function name which can be used to
indicate the beginning of the program
execution
C has 32 keywords
...
Rules to be followed for all programs written in C
All keywords are lowercased
C is case sensitive, do while is
different from DO WHILE
Keywords cannot be used as a
variable or function name
By Praveen
By Praveen
Programs
Instructions
Keywords
Constants,
variables &
Data Types
Alphabets,
Digits,Special
Characters
A Character denotes an alphabet, digit or a special
character
...
Lowercase Letters – A,B,C…
...
5
-0
...
They are always preceded with a
backslash
By Praveen
Variables are named locations in memory that are used to
hold a value that may be modified by the program
...
end
m1
mark_1
RULES for framing a variable :
The first character in the Variable name must be an alphabet
Alphabets can be followed by a number of digits or
underscores
No commas or Blank spaces are allowed within a variable
name
No Special character other than Underscore(_) can be used in
a variable name
...
Type Definition
Example:
Typedef int age;
age male,female
2
...
Why it is required to include header files your C program?
2
...
Why is the main() function is so special
4
...
State the use of comment symbol in a program?
6
Title: Introduction Of C Programming
Description: Course : C Programming Introduction. This notes include History of C, Program structure, Basic rules and Concepts of C programming.
Description: Course : C Programming Introduction. This notes include History of C, Program structure, Basic rules and Concepts of C programming.