Programming in C, Question Paper of MCA Semester 1, Download Question Paper 5

Roll No……

Total No. of Questions: 09

Paper ID [MC102]

MCA (Sem.-1^st)

PROGRAMMING IN C (MCA-102)

Time: 3 Hrs.                                                                           Max. Marks: 60

Instruction to Candidates:

1. Attempt any one question from each Sections A, B, C & D.

2. Section-E is Compulsory.

SECTION-A

1.       (a) What are the four classes of data types supported by ANSI C.

(b) Explain stepwise the automatic type conversion for the following.

          Int I, x;

          Float f;

          Double d;

          Long int I;

          X=+I * f-d;

2.       (a) How can enum be used to create user defined data type?

(b) Write a program that reads a string including blanks spaces until ‘\n’ is encountered.

   SECTION-B

3.       (a) What are the differences between while & do while construct.

(b) Write a program that accepts a string, reverses the string and prints it.

4.       (a) Write a program that finds the largest of the three numbers using nested if statement. Also give its flowchart.

(b) Write a program that uses a recursive function to print Fibonacci sequence. (Fibonacci sequence is 0,1 ,1 2, 3, 5, 8 and so on)

SECTION-C

5.       (a) What is the difference between a structure and a union.

(b) Write a program that defines a structure book having members name, author and price and compares two variables of type book.

6.       (a) Write a program using pointers to compute the sum of all elements stored in an array.

(b) Explain the difference between Call by Value & Call by Reference.

SECTION-D

7.       (a) Explain fseek( ) function.

(b) Write a program that sorts an array using bubble sort method.

8.       (a) Write a program that writes all reads ten numbers and writes all odd numbers to a file ODD & all even numbers to a five EVEN.

(b) Explain malloc( ) function using an example.

SECTION-E

9.       (a) What will be the output of the following

          Int a=5, b, c;

          B=++a;

          C=a++;

          Printf(“%d %d %d \n”, a, b, c, );

(b) What will be the output of the following

(i) Printf(“%11.4e”, -98.7654);

(ii) Printf(“%-20.10s”, “NEW DELHI 110001”);

(c) What is the difference between a character ‘A’ & string “A”.

(d) What is the difference between a static and auto variable?

(e) Define register variable.

(f) Explain strcmp function.

(g) What is a preprocessor directive?

(h) What is type casting?

(i) What will be output of the following

          Float y;

          Int fem=995, mal=1000, x;

          X=fem/mal;

          Y=(float)fem/mal;

          Printf(“%d %y”, x,y);

(j) What is the scale factor in pointer variables.