MODEL QUESTION PAPER-1

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1 MODEL QUESTION PAPER-1 Code No: R15A0501 MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY B.Tech. I Year - I Semester Examinations COMPUTER PROGRAMMING WITH C (Common to ECE, CSE, IT) Time: 3 hours Max. Marks: 75 Note: This question paper contains two parts A and B Part A is compulsory which carriers 25 marks and Answer all questions. Part B Consists of 5 SECTIONS (One SECTION for each UNIT). Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 10 marks. PART A (25 Marks) 1.a) what is the difference between while and do while loop? [2M] b) What is type conversion? Explain briefly about implicit and explicit type conversions? [3M] c) What do you mean recursion? [2M] d) Briefly Explain function categories. [3M] e) Define array? Explain how it is different from ordinary variable. [2M] f) Write a C program to find largest and smallest number in an array. [3M] g) What is void pointer? [2M] h) Briefly Explain pointers to pointers. [3M] i) Write the difference between structure and union? [2M] j) Write a C program to display the contents of a file. [3M] Part- B ( 50 MARKS) SECTION-I 2. Explain about various Computing Environments. [10M] 3. Explain different Decision control statements with programs. SECTION-II 4. What is a storage class? Explain different types of storage classes with programs. [10M] 5. Explain parameter passing techniques with programs. SECTION-III R15 6. Explain how two dimensional arrays are declared and initialized in C.write a C program [10M] to perform matrix multiplication using two dimensional arrays. 7. a)define string? Explain how strings are declared and initialized in C. b) Write a C program to count the number of lines, words and characters in a given text.

2 SECTION-IV 8. What is a pointer? Explain how the pointer variable is declared and initialized. Write a C program to swap two numbers using call by reference. [10M] 9.Explain the following a) pointers to functions b) array of pointers. SECTION-V 10. Explain the following concepts with programs. [10M] a) typedef b) enum c) bitfields 11. Explain file positioning functions with programs.

3 MODEL QUESTION PAPER-2 R15 Code No: R15A0501 MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY B.Tech. I Year - I Semester Examinations COMPUTER PROGRAMMING WITH C (Common to ECE, CSE, IT) Time: 3 hours Max. Marks: 75 Note: This question paper contains two parts A and B Part A is compulsory which carriers 25 marks and Answer all questions. Part B Consists of 5 SECTIONS (One SECTION for each UNIT). Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 10 marks. PART A (25 Marks) 1.a)What is a constant? What is the difference between single character constant and string constant?(2m) b) What is a ternary operator in C give an example?(3m) c)write a c program to find the factorial of a given number? (2M) d)what is meant by inter function communication? (3M) e)write a c program to find the maximum element in the given array? (2M) f) Define a string and Explain strcmp() function? (3M) g) Define a pointer? Write syntax for defining a pointer variable? (2M) h) Explain array of pointers concept with example? (3M) i) Define an array within a structure (2M) j). Write a program to copy upto 100 characters from a file to an output array. (3M) PART-B (50 marks) SECTION-I 2) Define Type Conversion?Explain briefly about implicit and explicit type conversions? 3) Write a C program with Exclusive operation between the two integers and display the result? SECTION-II 4)Define recursion? write a c program to find the GCD of a given number using recursion? 5) Explain different storage classes in c? SECTION-III 6) Define array?explain different types of arrays with examples? 7) Write a c program that reads a string and prints if it is a palindrome or not? SECTION-IV 8) Explain pointers to functions concept with a neat example? 9) Write a c program using pointers to read an array of integers and print the elements in reverse order? SECTION-V

4 10). Develop a c program that reads two complex numbers calls a function for adding these two complex numbers and displays the result. represent the complex number using a structure in C? 11). Elaborate file handling functions in C with the help of sample code?

5 MODEL QUESTION PAPER-3 R15 Code No: R15A0501 MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY B.Tech. I Year - I Semester Examinations COMPUTER PROGRAMMING WITH C (Common to ECE, CSE, IT) Time: 3 hours Max. Marks: 75 Note: This question paper contains two parts A and B Part A is compulsory which carriers 25 marks and Answer all questions. Part B Consists of 5 SECTIONS (One SECTION for each UNIT). Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 10 marks. PART A (25 Marks) 1.a) Write about ROM and RAM. [2M] b) What are the different data types in C? [3M] c) Distinguish between static and automatic variables. [2M] d) What is the main () in c? Why it is necessary in each program? What are the advantages of using functions. [3M] e) What advantage is there in defining an array size in terms of a symbolic constant rather than a fixed integer quantity. [2M] f) Write a c program to count no. of characters, no. of words, no. of special characters in a given string. [3M] g) Explain the effects of the following statements: i) int a,*b=&a ii) int p,*p; [2M] h) Write a c program to find factorial of a given number using pointers. [3M] i) Explain the advantages of structure type over the array type variable. [2M] j) Explain command line arguments. [3M] PART- B SECTION-I ( 50 MARKS) 2. What is an operator? Explain different operators in C language. [10M] 3. Explain different control structures in C with program examples. SECTION-II 4. a) Distinguish between the following: [10M] i) Actual and formal arguments ii) Global and local variables iii) Automatic and static variables. b) Explain the concept of recursion.

6 5. Explain parameter passing techniques with examples. SECTION-III 6. a) Write a c program to find the maximum and minimum from a given set of numbers. [10M] b) What conditions must be satisfied by the entire elements of any given array. 7. Discuss the operations on strings and how they are implemented. SECTION-IV 8. Why are pointers to structure as functions parameters preferred instead of structures themselves as parameters? [10M] 9. Write a c program to find matrix multiplication of two matrices without using arrays. SECTION-V 10. Explain: i) structures and functions [10M] ii) Type def iii) bit field 11. Explain file concept using one program.

7 MODEL QUESTION PAPER-4 Code No: R15A0501 MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY B.Tech. I Year - I Semester Examinations COMPUTER PROGRAMMING WITH C (Common to ECE, CSE, IT) Time: 3 hours Max. Marks: 75 Note: This question paper contains two parts A and B Part A is compulsory which carriers 25 marks and Answer all questions. Part B Consists of 5 SECTIONS (One SECTION for each UNIT). Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 10 marks. PART A (25 Marks) 1 a)what is a ternary operator in C? [2M] b) What is the difference between break and continue? [3M] c)what are the limitations of recursion? [2M] d)explain preprocessor commands? [3M] e) Explain how two dimensional arrays are declared and initialized in C? [2M] f) Briefly explain array of strings. [3M] g) what is pointer? [2M] h) Explain pointer increments and scale factor with example? [3M] i) What are the advantages of structures over arrays. [2M] j) Explain Enumerated Data Types with an example. [3M] PART-B(50 marks) R15 SECTION-I 2)Define flow chart?draw a flow chart for finding roots of a quadratic equation with all cases?[10m] 3) Explain and specify the interactions between various components that support the basic functionality of a computer? SECTION-II 4) What is a storage class? Explain different types with examples [10M] 5) write a C program to find the factorial of a given number using recursion. SECTION-III 6)Write a c program for multiplication of two matrices. [10M] 7) Explain various string handling or string manipulating functions.

8 SECTION-IV 8) Write a c program using pointers to read an array of integers and print the elements in reverse order? [10M] 9) Write a C program to swap two numbers using call by pointers method. SECTION-V 10) What are Bit fields. Write a C program to store the information of vehicles. Use bit fields to store the status information. Assume the vehicle object consists of type, fuel and model [10M] member fields. Assume appropriate number of bits for each field. 11) Explain different modes that can be provided as a parameter to the fopen() function

9 MODEL QUESTION PAPER-5 R15 Code No: R15A0501 MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY B.Tech. I Year - I Semester Examinations COMPUTER PROGRAMMING WITH C (Common to ECE, CSE, IT) Time: 3 hours Max. Marks: 75 Note: This question paper contains two parts A and B Part A is compulsory which carriers 25 marks and Answer all questions. Part B Consists of 5 SECTIONS (One SECTION for each UNIT). Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 10 marks. PART A (25 Marks) 1. a. Define Flowchart? Write the advantages and disadvantages of flowchart? (2M) b. Briefly explain about break, continue and goto statements in C language? (3M) c. Write a small note on Type qualifiers? (2M) d. Explain about function definition with program construct? (3M) e. Write a C construct for reading one dimensional array elements? (2M) f. Explain String I/O functions? (3M) g. Define a pointer? Write about NULL pointer? (2M) h. Explain about pointer arithmetic with example? (3M) i. What is the difference between structure and Union? (2M) j. Write about file I/O functions? (3M) PART-B (50 Marks) SECTION-I 2. Explain all forms of IF statement with examples? (10M) 3. Write about F loop? Write a C program to generate all prime numbers between 1 and N? (10M) SECTION-II 4. a. Explain about inter function communication? (5M) b. What are the different categories of functions and explain them with program constructs? (5M) 5. Explain different parameter passing techniques with example programs? (10M) SECTION-III 6. Write a C program to Multiply two matrices? (10M) 7. Explain Strlen(), Strncmp(), Strrev(), Strncat(), Strechr() with examples? (10M) SECTION-IV

10 8. What is Dynamic Memory Management? Explain malloc() and calloc() functions with examples? (10M) 9. Describe features of pointer and explain Array of pointers concept with examples? (10M) SECTION-V 10. Write a structure for the College data. College contains the following fields: (10M) a. College code (2characters), b. College Name, c. year of establishment, number of courses and courses. A College can offer 1 to 50 courses. Each course is associated with course name (String), duration, number of students. The number of students in the college is sum of number of students in all the courses in the college. 11. Write a C program to read a text file and to count (10M) (a) Number of characters, (b) Number of words and

11 MODEL QUESTION PAPER-6 R15 Code No: R15A0501 MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY B.Tech. I Year - I Semester Examinations COMPUTER PROGRAMMING WITH C (Common to ECE, CSE, IT) Time: 3 hours Max. Marks: 75 Note: This question paper contains two parts A and B Part A is compulsory which carriers 25 marks and Answer all questions. Part B Consists of 5 SECTIONS (One SECTION for each UNIT). Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 10 marks. PART A (25 Marks) 1.a) Differentiate algorithm and flowchart. [2m] b) Write brief notes on type conversion. [3m] c) Differentiate break and continue. [2m] d) Discuss call-by-reference mechanism [3m] e) What is inter-function communication. [2m] f) Describe arrays of strings. [3m] g) Write a note on void pointer [2m] h)differentiate the memory allocation techniques [3m] i) Write brief notes on unions. [2m] j) What is meant by a structure pointer [3m] PART-B (50Marks) SECTION-I 2. State and explain the Operator precedence & Associativity in expression evaluation with a suitable example. 3. Write a short note on the different computing environments. Discuss the basic characteristics of flowchart and algorithm. SECTION-II 4. Explain with a sample program about entry-controlled, exit-controlled and multiway-selection statements in C programming. 5. Explain the storage classes in detail. SECTION-III 6. Discuss with a suitable example how to pass an array to a function. Write a C program to perform multiplication of matrices. 7. State and explain with a sample program various string manipulation functions. SECTION-IV 8. Write a program and explain the working of dynamic memory allocation functions

12 9. Write a C program to read a text file and count number of characters, words and lines given. SECTION-V 10. Explain about declaration, initialization and accessing of structures. And also discuss about complex structures. 11. What are file streams? Discuss about state of file, opening and closing file with a sample C program. Define command line arguments. ***********

13 MODEL QUESTION PAPER-7 R15 Code No: R15A0501 MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY B.Tech. I Year - I Semester Examinations COMPUTER PROGRAMMING WITH C (Common to ECE, CSE, IT) Time: 3 hours Max. Marks: 75 Note: This question paper contains two parts A and B Part A is compulsory which carriers 25 marks and Answer all questions. Part B Consists of 5 SECTIONS (One SECTION for each UNIT). Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 10 marks. PART A (25 Marks) 1. a) What is bit field? b)write difference between structure and union? c) Distinguish between a text file and a binary file. d)what is a void pointer? e) W hat are various functions to compare strings? f) Define array? Explain how it is different from ordinary variable? g) Write any two dynamic memory allocation functions? h) What is inter function communication? i) Discuss briefly about goto statement? j) Explain briefly about Ternary operator with one example? PART-B (50Marks) SECTION-I 2 a) Explain with sample c program about while,do-while,for statements in c? 3 Explain Software Development Life Cycle with one case study? SECTION-II 4 a) Define Recursion? Write a c program to find GCD of two numbers using recursion? b) Write the difference between call by value and call by reference? 5 Explain different storage classes in cwith example? SECTION-III 6 a) Explain different Types of Qualifiers in C? b )Write a c program to multiply two matrices using two dimensional arrays? 7 Explain different type of string handling functions with example SECTION-IV 8 Explain the following

14 i)malloc() ii)calloc() iii)realloc() iv)free() 9 Define pointer to pointer? Explain pointer arithmetic with neat examples? SECTION-V 10.a) What is a structure? Give its advantage b )Write a structure for the College data. College contains the following fields: a. College code (2characters), b. College Name, c. year of establishment, Number of courses and courses. A College can offer 1 to 50 courses. Each course is associated with course name (String), duration, number of students. The number of students in the college is sum of number of students in all the courses in the college. 11. What are file Streams?Discuss about fopen(),ftell(),fseeek(),fscanf(),fread(),fwrite() *****WISH U ALL THE BEST*****