Download JNTUH MCA 1st Sem R15 2018 January 821AC Computer Programming Using C Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 1st Sem (First Semester) Regulation-R15 2018 January 821AC Computer Programming Using C Previous Question Paper

R15

Code No: 821AC















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA I Semester Examinations, January - 2018

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.



PART - A



















5 ? 5 Marks = 25

1.a) Write a program to convert the Fahrenheit into degree Celsius.





[5]

b) Explain the recursive function with an example and also give its limitations.

[5]

c) Explain the drawbacks of pointers in detail.









[5]

d) Explain the functions of read and write characters.







[5]

e) Explain about the rewind ( ) with an example.









[5]



PART - B

















5 ? 10 Marks = 50

2.

Explain the classification of computer software.









[10]

OR

3

Explain the different types of operators are used in C.







[10]


4

Explain about user defined functions and inter function communication.

[10]

OR

5. a) Write a program to find the GCD of given numbers by using functions.
b) Explain the type qualifier with an example.









[5+5]


6.

Write a program to read a matrix and displays sum of the elements below the main
diagonal.



















[10]















OR







7.a)

Explain the pointers for inter function communication

b)

What is an array? Explain how is an array represented in memory.



[5+5]



8.

Write a program to read and display the information of all the students in the class. Then
edit the details of the ith student and redisplay the entire information by using structures.






















[10]

OR

9.

Write a program that uses a structure called date that has is passed to an is LeapYear

function to determine if the year is a leap year.









[10]



10.

Explain the different types of File modes in C.









[10]

OR

11.

Write a program to compare two files to check whether they are identical or not. [10]



---oo0oo---