Question Paper of PROGRAMMING IN C, M.Sc. (IT)/PGDCA (102) (New) (Semester. -1st) Paper ID [2037], PTU Question Paper

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Roll No………

Total No. of Questions: 13]

J-3659[S-1515]

[2037]

M.Sc. (IT) (Semester- I^st)

PROGRAMMING IN C (M.Sc. (IT) -102)

Time: 03 Hours                                                            Maximum Marks: 75

Instruction to Candidates:

1)      Section- A is compulsory.

2)      Attempt any Nine questions from Section-B.

Section-A

Q1)                                                                                                                              (15 x 2=30)

a)      What is a compiler?

b)      How will you declare a constant in C?

c)      Define logical operation.

d)     What is the size of int in C?

e)      Why does a character constant require two bytes of memory space in C?

f)       Can we write a C program without # include?

g)      What are command line arguments?

h)      How can you find the number of elements stored in a static array at a time?

i)        How to store some value at desired address using C?

j)        What happens when the macro

#define square(x) x* x

Is invoked as square (z+1)

k)      Are the following statements valid? Justify your answer int m;

K= (char*) & m;

l)        List down two file opening modes in C.

m)    Give an example of enumerated data type in C.

n)      What is a random access file?

o)      Is the following statement correct? Explain printf(“%d”, printf(“abc”));

Section-B

(9 x 5=45)

Q2. Write a C program to compute the sun of first n terms (n1) of the following series using ‘for’ loop. 1-3+5-7+9-…………...

Q3. Write a C program to convert a binary number to its corresponding octal number.

Q4. Given are two one dimensional arrays A and B stored in ascending order. Write a program to merge them into a single sorted array C that contains every element of A and B in ascending order.

Q5. Given an array of characters, write a program in C to reverse the array.

Q6. Write a program in C to compute the length of a string.

Q7. Write a C program that reads a line of text and counts all occurrences of a particular word.

Q8. What is a macro? Write a nested macro that gives the minimum of three values.

Q9. What is parameter passing?  Explain call by values with an example.

Q10. Write a C program fragment using “do….While” construct to print out even numbers between 10 to 100 making sure that three numbers are written per line.

Q11. Write a recursive function in C to compute the value of  xⁿ where n is a positive integer and x has a real value.

Q12. Describe the syntax for defining the composition of a structure. Explain  the difference between declaring a structure and defining a structure variable.

Q13. Write a program in C that reads n elements of an integer array from a file and outputs the sum of all the elements into the same file.