Download JNTUH MCA 1st Sem R15 2020 January 821AC Computer Programming Using C Question Paper

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Code No: 821AC

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA I Semester Examinations, January - 2020

COMPUTER PROGRAMMING USING C

Time: 3hrs Max.Marks:75

Note: This question paper contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.

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PART - A 5 x 5 Marks =25

1. a) Discuss about the features of procedure oriented programming languages. [5]
2. b) Describe any five preprocessor directives in C with examples. [5]
3. c) What is the role of pointers in inter function communication? [5]
4. d) What is a structure? How to define and declare a structure in C? [5]

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5. e) What are the various types of files supported in C? [5]

PART -B 5 x 10 Marks =50

1. a) What is an operator? Describe precedence of various operators in C and their associativity.
   b) What is type conversion? Explain implicit and explicit type conversions in C with suitable examples. [4+6]
   OR

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2. a) Evaluate the following expression in C with the values P=5, Q=20, R=15
   P+ (Q*R/P)*P + Q*R
   b) Enumerate all the bitwise operators in C with example. [6+4]
3. a) Demonstrate break and continue statements with suitable examples.
   b) Write a C program to find factorial of given number using recursive functions. [6+4]
   

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   OR
4. a) Explain about various storage classes in C with suitable examples.
   b) Demonstrate all the iterative statements in C with examples. [5+5]
5. a) Define an Array. What are the advantages of Arrays? How to declare and initialize string values using arrays in C?
   b) Write a C program for addition of two matrices. [5+5]
   

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   OR
6. a) How to pass an array to a function? Explain with an example program.
   b) What is pointer to pointers? Give syntax and an example. [6+4]
7. a) How to define union in C? Differentiate between unions and structures.
   b) Explain about any five String built-in functions with syntax and examples. [5+5]
   

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   OR
8. Write a C program to read 3 student details such as Htno, name, marks in 5 subjects and calculate and display total and average marks of each student. [10]
9. a) Write syntax and examples for getc( ), fgetc( ), putc( ) and fputc( ) functions.
   b) Write a C program to reverse the content of given file using fseek( ) function. [4+6]
   OR

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10. a) Differentiate between sequential access files and random access files.
    b) Write a C program to concatenate the contents of two files into another file. [5+5]

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