Download JNTUA B.Tech 1-1 R15 2019 June 15A05101 Computer Programming Question Paper

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Code: 15A05101

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B.Tech I Year I Semester (R15) Supplementary Examinations June/July 2019

COMPUTER PROGRAMMING

(Common to CE, EEE, CSE, ECE, ME, EIE and IT)

Time: 3 hours

Max. Marks: 70

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PART - A

(Compulsory Question)

Answer the following: (10 X 02 = 20 Marks)

1. (a) Distinguish between application and system software.
2. (b) Identify and eliminate the error present in the statement:
   

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   CS > EC ? ANS = CS : ANS = EC
3. (c) Define an array. Write the formula to find the address of element in 1-D array.
4. (d) In how many ways, an array can be initialized? Give example for each.
5. (e) List the advantages and disadvantages of pointers.
6. (f) In what way call by value mechanism differs from call by reference mechanism?

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7. (g) Write brief information on importance of Bit Fields.
8. (h) How can we declare variable length parameters? Give example.
9. (i) Why we need files?
10. (j) How can we define global constants? Give example.

PART - B

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(Answer all five units, 5 X 10 = 50 Marks)

UNIT - I

1. (a) With the help of a neat sketch, explain the software development life cycle.
   (b) Write a C program to find whether any given year is a leap year or not.
   OR

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2. (a) What is an expression? How many types of expressions are supported by C? Give examples for each.
   (b) Describe the different bitwise, increment/decrement and assignment operators with suitable examples.

UNIT - II

1. Distinguish between conditional and unconditional jump statements. With the help of flowchart and example, explain the different jump statements that are supported by the language C.
   OR

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2. (a) How the for loop differs from while and do while statements?
   (b) Write a C program to find the sum of the individual digits of any given number:
   (Ex. 4721 = 4 + 7 + 2 + 1 = 14).

UNIT - III

1. (a) Write a program using C to interchange two values by using pointers.
   

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   (b) Give brief description about the different functions that supports the dynamic memory allocation for variables.
   OR
2. With the help of syntax and example program, explain the various storage specifiers.

UNIT - IV

1. Based on return type and arguments, how many types of functions are there? Explain them with an example program.
   

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   OR
2. Define structure. Why we need structures? Explain the nested structure and self referential structures.

UNIT - V

1. (a) Give brief description about conditional preprocessors.
   (b) Write a C program to count the number of words, white spaces and lines present in a file.
   

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   OR
2. (a) Write short notes on file opening modes.
   (b) Describe the fprintf() and fscanf() functions.

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