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

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Code No: 821AC Rl 5

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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 x 5 Marks = 25

1. Explain different types of computer languages briefly.

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2. What is a function? Why do we use functions in ‘C’ language? Give an example.
3. How to declare and initialize a multi dimensional array?
4. What are the different type castings supported in C?
5. Explain about positioning functions with example.

PART -B 5 x 10 Marks = 50

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1. a) Write a C program to find the maximum of 3 numbers using conditional operators.
   b) Draw a flow chart to find average of 10 numbers. [5+5]

   OR

   a) What is associativity? Illustrate its application in expression evaluation.
   b) Discuss about the various bitwise operators supported by Language ‘C’. [5+5]
2. a) Write a C program to find factorial of a given number ‘N’ by using iteration and recursion separately.
   

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   b) Explain inter function communication with a C-program. [5+5]

   OR

   a) Define statement.-Explain different types of selection statements with examples.
   b) Compare the ‘break’ and the ‘goto’ statements with example. [5+5]
3. a) Write a ‘C’ program to search for an element by using Linear Search.
   b) Discuss the applications of arrays. [5+5]

   OR

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   a) Explain pointer arithmetic with a sample C-program
   b) Write a program to accept a set of names and display them by using array of pointers. [5+5]
4. a) Write a C program that implements string concatenate operation STRCAT (strl, str2) that combines a string str/ to another string st72 without using library function.
   b) Give an example for nested structure. [5+5]

   OR

   a) Create a structure called student and the members of the structure are Stu Name,Stu_Rno, M1, M2, M3. Create a pointer variable for the structure, store the values and fetch the values present in the structure student.
   

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   b) In what way a Union differs from structures. [5+5]
5. a) What is meant by state of a file? Discuss about file status functions.
   b) Write a ‘C’ program to count the number of words, white spaces and tab spaces present in a file. [5+5]

   OR

   a) Explain the file input and output functions with example programs.
   b) Distinguish between r, r+ and w, w+ modes of files. [5+5]

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