JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech I Year COMPUTER PROGRAMMING Previous Question Paper (May/June - 2019 - R13)
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
Give the list of basic data types in “C” language and explain.
Answer
The basic data types in C are int (integer values), char (single character values), float (single-precision floating-point numbers), and double (double-precision floating-point numbers). These represent the fundamental storage units used to hold data in memory.
Distinguish between a keyword and a reserved word.
Answer
In C, keywords and reserved words are synonymous; they are predefined identifiers with special meanings to the compiler (e.g., int, if, while). They cannot be used as variable or function names. Unlike some other languages, C does not distinguish between these two terms.
Distinguish between a function declaration and definition.
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Give the list of preprocessor directives in “C” language.
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Why is the void pointer useful? When would you use it?
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Distinguish between calloc() and malloc() functions in “C” language.
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What are self-referential structures? Give an example.
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Give the syntax for bit-field declaration and explain.
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Distinguish between a stack and a queue.
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Give the applications of linked lists.
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PART B
Distinguish among while, do-while and for statements in “C” language.
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Write a program that prints the binary equivalent of a decimal number.
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Demonstrate nested if-else statements in “C” language using an example.
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Demonstrate the usage of break and continue statements using an example.
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Give an overview of storage classes in “C” language.
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Explain the following:
Multi-dimensional arrays in “C”.
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Structured programming.
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Distinguish between a constant pointer and a pointer to constant.
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Write a “C” program to find length of a string and concatenation of two strings without using string handling functions.
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What is a function pointer? Give the syntax and applications of a function pointer. Demonstrate how to initialize function pointers and use them in the program.
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Write a program to add two complex numbers by passing structure to a function.
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Demonstrate the following operations using examples: i) fwrite ii) fseek
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Write a “C” program to find number of lines in a file.
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Give an overview of standard I/O in “C” language.
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Demonstrate bubble sorting using an example.
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Write a program to reverse a word using a stack.
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Write a program to demonstrate operations on a linked list.
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Write a program to demonstrate the operations on a queue.
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