• What is program and what is programming language?
• What is C?
• History of C
•  Features of C
• Structure of C program
• Execution of C program
•  A sample program

•  Character set
• Identifiers and Keywords
• Data Types and Storage
• Variables
• Constants
• Escape sequence characters

• Assignment operator
• Arithmetic operator
• Logical operator
• Relational operator
• Bitwise operator
• Shorthand operator
• Conditional/Ternary operator
• Operator precedence

Decision making statements
• If statement
• If_else statement
• Nested if_else statement
• Switch statement
Looping control statements
• While loop
• Do_while loop
• For loop
• Nested for loop
Transfer control statements
• Break statement
• Continue statement
• Goto statement

• Array Declaration
• Array Initialization
• Accessing individual elements of an array
• Two Dimensional Arrays
• Passing an array element to a function
• Rules of using an array

• Declaration and initialization of string
• Displaying string using different formatting techniques
• Array of string
• Built-in string functions

• Define function
• Declaration of function
• Function prototypes
• Return statements
• Function call by value
• Function call by reference
• Recursion

• Declaration of structure
• Initialization of structure
• Accessing members of structure
• Structure as a function arguments
• Array of structure
• Unions
• Initialization of an union
• Difference between structure and union

• Define pointer
• Pointer declaration and assignment
• Pointer to pointer
• Pointer arithmetic
• Passing pointer to function
• Array of pointer
• Pointer to string

• File handling using pointers
• Opening file
• Closing file
• I/O library functions
• Sequential vs random access file

• # define
• # include
• Macros
• # ifdef
• # ifndef
• Other preprocessor commands