Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 1st Sem (First Semester) Regulation-R17 2020 January 841AC Computer Programming Using C Previous Question Paper
R17
Code No: 841AC
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA I Semester Examinations, January - 2020
COMPUTER PROGRAMMING USING C
Time: 3hrs
Max.Marks:75
S
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.
PART - A
5 ? 5 Marks = 25
1.a) Discuss about the features of procedure oriented programming languages. [5]
b) Describe any five preprocessor directives in C with examples.
[5]
c) What is the role of pointers in inter function communication?
[5]
d)
What is a structure? How to define and declare a structure in C?
[5]
e) What are the various types of files supported in C?
[5]
PART - B
5 ? 10 Marks = 50
2.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
3.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]
4.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]
OR
5.a)
Explain about various storage classes in C with suitable examples.
b)
Demonstrate all the iterative statements in C with examples.
[5+5]
6.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]
OR
7.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]
8.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]
OR
9.
Write a C program to read 3 student details such as Htno, name, marks in 5 subjects and
Scalculate & display total and average marks of each student. [10]
10.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
11.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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This post was last modified on 16 March 2023