Skip to content
SmartFigureEdu

CS 3251 Programming in C question paper, November/December 2022

Download PDFRepeated questions and unit-wise bank

Question Paper Code : 70069

B.E./B.Tech. DEGREE EXAMINATIONS, NOVEMBER/DECEMBER 2022.

Second Semester

Computer Science and Engineering

CS 3251 — PROGRAMMING IN C

(Common to : Computer Science and Engineering (Data Science)/Electrical and Computer Engineering/Computer Science and Engineering (Artificial Intelligence and Machine Learning)/Computer Science and Engineering (Cyber Security)/Computer and Communication Engineering/Information Technology)

(Regulations 2021)

Time : Three hoursMaximum : 100 marks

Answer ALL questions.

PART A — (10 × 2 = 20 marks)

  1. 1.

    What are the various types of operators?

  2. 2.

    What is the use of preprocessor directive?

  3. 3.

    Declare a float array of size 5 and assign 5 values to it.

  4. 4.

    Sort the following elements using selection sort method 23,55,16,78,2.

  5. 5.

    How is pointer arithmetic done?

  6. 6.

    Which is better to use? Macro or function. Justify your answer.

  7. 7.

    What is meant by structure definition?

  8. 8.

    Define self-referential data structure.

  9. 9.

    Why are files needed?

  10. 10.

    Give an example for fseek().

PART B — (5 × 16 = 80 marks)

  1. 11.
    (a)

    Explain the storage classes in 'C' with suitable examples.

  2. Or
  3. (b)

    Explain the looping statement in C with suitable examples.

  4. 12.
    (a)
    • (i)Write a C program to multiply two matrices (2D array) by getting input from the user.(8)
    • (ii)Write a C program to find scaling of two matrices (2D array) which will be entered by a user.(8)
  5. Or
  6. (b)
    • (i)Write a C program to find determinant of a matrix (2D array) which will be entered by a user.(8)
    • (ii)Write a C program for matrix transpose.(8)
  7. 13.
    (a)
    • (i)Classify the function prototypes with suitable examples.(8)
    • (ii)Write a C program to design the scientific calculator using built-in functions.(8)
  8. Or
  9. (b)
    • (i)Explain the concept of pass by value and pass by reference. Write a C program to swap the content of two variables using pass by reference.(8)
    • (ii)Explain about pointers and write the use of pointers in arrays with suitable example.(8)
  10. 14.
    (a)

    What is a structure? Create a structure with data members of various types and declare two structure variables. Write a program to read data into these and print the same. Justify the need for structured data type.

  11. Or
  12. (b)

    Write a C program to create mark sheet for students using self-referential structure.

  13. 15.
    (a)
    • (i)Write a C program to get name and marks of 'n' number of students from user and store them in a file.(8)
    • (ii)Write a C program to read name and marks of 'n' number of students from user and store them in a file. If the file previously exits then append the information into the existing file.(8)
  14. Or
  15. (b)
    • (i)Write a C program to write all the members of an array of structures to a file using fwrite(). Read the array from the file and display on the screen.(8)
    • (ii)Describe command line arguments with example C program.(8)

Other CS3251 papers