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USN 18CPS13/23
11
First/Second Se B.E. egree Examination, Dec.2019/Jan.2020
C Programming for Problem Solving
Time: 3 hrs. Max. Marks: 100
Note: Answer any FIVE full questions, choosing ONE full question front each module.

Module-1
How would you explain the components of a computer with the block diagram? (08 Marks)
Describe the types of computers. (06 Marks)
Convert the following mathematical expression into C equivalent statements.
4
Y
i) m = x + X + — — 4x +6
k
— b + \r/ b 2 —4ac
ii) x=
2a
2
iii) Area = irr + 27trh (06 Marks)

OR
2 a. How can you write the basic structure of a C program? Explain with examples. (08 Marks)
b. Define a token. Explain the different tokens available in C language. (08 Marks)
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c. How would you explain logical operator in a C language. (04 Marks)

Module-2
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3 a. With examples how would describe the formatted input and thrmatted output statements in
C language. (08 Marks)
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b. How would you explain if— else statement in C language? Give the relevant ex ample.
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(06 Marks)
irs

c. Write a program in C to display the grade based on the marks as follows :

0 to 39 F
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40 to 49 E
w

D
w

50 to 59
60 to 69 C
70 to 79 B
80 to 89 A
90 to 100
(06 Marks)

OR
4 a. How would you explain switch statement with an example? (08 Marks)
b. How the while loop differs from do-while loop? (06 Marks)
c. Write a program to check whether a given integer is palindrome or not? (06 Marks)

CC Module-3
0
5 a. Define an array. How would you explain declaration and. initialization of one dimensional
C array? (06 Marks)
b. Write a program in C to implement binary searching technique. (06 Marks)
c. How would you explain with examples, the string manipulation functions? (08 Marks)
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1 8CPS13/2.3

OR
6 a. Write a program to read N integers and to arrange them in ascending order using bubble sort
technique. (06 Marks)
b. How would you explain the declaration and initialization of string variables? (06 Marks)
c. Write a program to multiply 2 matrices, by ensuring their multiplication compatit )ility.
(08 Marks)

Module-4
7 a. How would you illustrate the elements of user defined functiOns with examples? (10 Marks)
b. Write a program in C to find the factorial of a given integer using functions. (05 Marks)
c. Explain how call by value differs from call by reference while invoking a functio n.
(05 Marks)

OR
8 a. How would you explain the categories of user defined functions? (10 Marks)
b. Write a program in C to compute the Fibonacci series up to n terms using recursi on.
(06 Marks)
c. List the storage class specifiers. Explain any one of them. (04 Marks)
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Module-5
9 a. Define a structure. How would you declare and initialize structure variables? Give examples.
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(07 Marks)
b. Define a Pointer. How the pointers are declared and initialized?
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(06 Marks)
c. Write a C program to read details of 10 students and to print the marks of the student if his
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name is given as input. (07 Marks)

OR
10 a. Write a program in C to add two numbers using pointers. (05 Marks)
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b. How would you explain the categories of preprocessor directives in C? (10 Marks)
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C. How would you explain nested structures? (05 Marks)

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