SEP BSC 1 Semester PROGRAMMING IN C (Major – 3) notes and LAB

 SEP BSC 1st Semester 2024-25

UNIT – I:                                                                                                                                   10 Hours 

Fundamentals of Computers:Computer Definition, Characteristics of Computers, BasicOrganisation of a Digital Computer; Input devices: - Keyboard, Mouse, Light pen, Joystick,Scanner, Digitizer. Output devices- Various types of printers, Plotters, Types of Computers, Number Systems – different types, conversion from one number system to another; ComputerCodes – BCD, Gray Code, ASCII and Unicode; Boolean Algebra – Boolean Operators with TruthTables; Types of Software– System Software, application software and Utility Software; Computer Languages - Machine Level, Assembly Level & High-Level Languages, Translator Programs –Assembler, Interpreter and Compiler; Planning a Computer Program-Algorithm,Flow chart and Pseudo code with Examples. 

Unit wise Questions : Click Here

UNIT – II:                                                                                                                                   12 Hours 

Introduction to C Programming:Introduction to C Programming, History and Features of C;Structure of a C Program with Examples; Creating and Executing a C Program; Compilationprocess in C. 

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                                                    Model Questions: Click Here

C Programming Basic Concepts: C Character Set; C tokens - keywords, identifiers, constants, and variables; Data types; Declaration & initialization of variables; Symbolic constants. 

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Model Questions: Click Here

Sample programs:

1. Escape sequences ,
2. Character Constants , 
3. Program to find number of bytes occupied by primary data types,  
4. Typedef ,
5. Const Type qualifiers, 
6. Volatile type qualifiers

Assignment 1 Click Here

Input and output with C: Formatted I/O functions - printf and scanf, control stings and escapesequences, output specifications with printf functions; Unformatted I/O functions to read anddisplay single character and a string - getchar, putchar, gets and puts functions.

Model Questions and Assignment : Click Here

UNIT – III:                                                                                                                             12 Hours 

C Operators & Expressions: Arithmetic operators; Relational operators; Logical operators; Assignment operators; Increment & Decrement operators; Bitwise operators; Conditional operator; Special operators; Operator Precedence and Associatively; Expression, Types of Expression, Evaluation of arithmetic Expressions; Type conversion, Mathematical functions. 

Control Structures: Decision Making statements- Simple if, if_else, nested if_else,else_if ladder, Switch-case, goto. Looping Statements - Entry controlled and exit controlled statements, while, do-while, for loops, Nested loops, break & continue statements. 

Model question and assignment: Click Here

UNIT – IV:                                                                                                                                10 Hours 

Arrays: One Dimensional arrays - Declaration, Initialization and Memory representation; TwoDimensional arrays - Declaration, Initialization and Memory representation. 

Strings: Declaring & Initializing string variables; String handling functions strlen, strcmp,strcpy and strcat;table of strings. Character handling functions - toascii, toupper, tolower, isalpha, isnumeric etc

 

Pointers: Understanding pointers - Declaring and initializing pointers, accessing address andvalue of variables using pointers; Pointers and Arrays; Pointer Arithmetic; Advantages anddisadvantages of using pointers; 

UNIT – V:                                                                                                                                 12 Hours 

User Defined Functions:Need for user defined functions; Format of C user defined functions; Components of user defined functions - return type, name, parameter list, function body, return statement and function call; Categories of user defined functions - With and without parameters and return type. 

User defined data types: Structures - Structure Definition, Advantages of Structure, declaring structure variables, accessing structure members, Structure members initialization, comparing structure variables, Array of Structures; Unions - Union definition, defining unions, declaring union variables, accessing union members; difference between Structures and Unions

C programming LAB:

Part A

1. Number System Conversion

   1.Write a program to convert a given decimal number to binary, octal, and hexadecimal.

   2. Write a program to convert a given binary number to decimal, octal, and hexadecimal.

2. Simple C Program

  3.Write a program to display "Hello, World!" and understand the structure of a C program.

3. Creating and Executing a C Program

 4.Write a C program to add two numbers and display the result. Practice compiling and executing the program.

4. Formatted and Unformatted I/O Functions

  5.Write a program to read and display a string using formatted I/O functions (printf, scanf).

  6.Write a program to read and display a single character and a string using unformatted I/O functions (getchar, putchar, gets, puts).

5. Arithmetic Operators

 7.Write a program to demonstrate the use of arithmetic operators (+, -, *, /, %).

6. Relational and Logical Operators

 8.Write a program to demonstrate the use of relational (==, !=, >, <, >=, <=) and logical operators (&&, ||, !).

7. Control Structures

  9. Write a program to find the largest of three numbers using if_else statements.

  10. Write a program to print the grade of a student based on marks using switch-case statements.

8. Looping Statements

 11. Write a program to print the first 10 natural numbers using while, do- while, and for loops.

 12. Write a program to calculate the factorial of a number using a for loop.

Part B

1. One Dimensional Arrays

 13. Write a program to read and display elements of an array.

 14. Write a program to find the sum and average of elements in an array.

2. Two Dimensional Arrays

 15. Write a program to read and display elements of a 2D array (matrix).

 16. Write a program to perform matrix addition.

3. String Handling

 17. Write a program to demonstrate the use of string handling functions (strlen, strcmp, strcpy, strcat).

4. Pointer Basics

 18. Write a program to declare and initialize pointers and access the value and address of variables using pointers.

 19. Write a program to demonstrate pointer arithmetic.

5. User Defined Functions

 20. Write a program to find the square of a number using a user-defined function with parameters and return type.

 21.Write a program to calculate the sum of two numbers using a user- defined function without parameters and return type.

6. Structures

 22. Write a program to define a structure for a student (containing fields for roll number, name, and marks) and demonstrate initialization and access of structure members.

23. Write a program to compare two structure variables for equality.

7. Array of Structures

24.  Write a program to create an array of structures for students and display their details.

8. Unions

25. Write a program to define a union for different data types (int, float, char) and demonstrate initialization and access of union members.

26. Write a program to show the difference between structures and unions in terms of memory usage.

Evaluation Scheme for Lab Examination:

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Assessment Criteria Marks

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Program – 1 from                 Part A 

Writing the Program     07 Marks                                  Execution 08 Marks

Program -2 from                  Part B 

Writing the Program 07 marks                                      Execution 08 Marks

Practical Record 05                                                          Viva-Voce 05

                                                                                                     Total 40

2024-2025 For SEP Programming in C Lab Manual 

Final  C Progrmming Lab Click Here