Code No: 811AC R13
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA I Semester Examinations, January - 2020
COMPUTER PROGRAMMING
Time: 3hrs Max.Marks:60
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b, c as sub questions.
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PART - A 5 x 4 Marks =20
1.a) Discuss about the features of procedure oriented programming languages. [4]
b) Describe any five preprocessor directives in C with examples. [4]
c) What is the role of pointers in inter function communication? [4]
d) What is a structure? How to define and declare a structure in C? [4]
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e) What are the various types of files supported in C? [4]
PART -B 5 x 8 Marks =40
2.a) What is an operator? Describe precedence of various operators in C and their associativity.
b) What is type conversion? Explain implicit and explicit type conversions in C with suitable examples. [3+5]
OR
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3.a) Evaluate the following expression in C with the values P=5, Q=20, R=15
P+ (Q*R/P)*P + Q*R
b) Enumerate all the bitwise operators in C with example. [5+3]
4.a) Demonstrate break and continue statements with suitable examples.
b) Write a C program to find factorial of given number using recursive functions. [5+3]
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OR
5.a) Explain about various storage classes in C with suitable examples.
b) Demonstrate all the iterative statements in C with examples. [4+4]
6.a) Define an Array. What are the advantages of Arrays? How to declare and initialize string values using arrays in C?
b) Write a C program for addition of two matrices. [4+4]
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OR
7.a) How to pass an array to a function? Explain with an example program.
b) What is pointer to pointers? Give syntax and an example. [5+3]
8.a) How to define union in C? Differentiate between unions and structures.
b) Explain about any five String built-in functions with syntax and examples. [4+4]
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OR
9. Write a C program to read 3 student details such as Htno, name, marks in 5 subjects and calculate and display total and average marks of each student. [8]
10.a) Write syntax and examples for getc( ), fgetc( ), putc( ) and fputc( ) functions.
b) Write a C program to reverse the content of given file using fseek( ) function. [3+5]
OR
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11.a) Differentiate between sequential access files and random access files.
b) Write a C program to concatenate the contents of two files into another file. [4+4]
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