JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech I Year C PROGRAMMING FOR ENGINEERS Previous Question Paper (March/April - 2023 - R22)

B.Tech | I Year | I-I | R22 | March/April - 2023

Answer PaperPaper Code: 181AFMaximum Marks: 60Time: 3 Hours

Part-A is a compulsory question. Part-B consists of ten questions (numbered from 2 to 11). From each unit, there are two questions and the student should answer one of them. Hence, the student should answer five questions from Part-B.

Part A

Answer the following sub-questions:

10 marks

Define variable. Write the rules to be followed to declare a variable.

1 marks

Answer

A variable is a named memory location used to store data that can be modified during program execution. Rules for declaration: it must start with a letter or underscore, can contain letters, digits, and underscores, cannot be a C keyword, and is case-sensitive.

List the data types in C. What is the size of each of these data types?

1 marks

Answer

Primary data types include: int (2 or 4 bytes), char (1 byte), float (4 bytes), double (8 bytes), and void (0 bytes).

List out different decision statements or conditional statements in C.

1 marks

Answer

Define Loop. Write different forms of loops in C.

1 marks

Answer

Mention the advantages and disadvantages of an array.

1 marks

Answer

What is an array? Explain syntax to declare on dimensional array using example.

1 marks

Answer

How many ways we can allocate a memory in C?

1 marks

Answer

What is Dynamic memory allocation?

1 marks

Answer

Define union.

1 marks

Answer

What is the time complexity of insertion sort?

1 marks

Answer

Part B

210 marks

Write an algorithm for finding the maximum of two numbers and trace the algorithm to depict the logic with a sample input.

5 marks

Answer

List and explain the steps involved in execution of a C program.

5 marks

Answer

310 marks

List and explain the various symbols used in flowchart design with a neat diagram.

5 marks

Answer

Make a comparison between the compiler and an interpreter.

5 marks

Answer

410 marks

Explain the difference between break, goto and continue statements with an example.

5 marks

Answer

Summarize various operators available in C.

5 marks

Answer

510 marks

Differentiate between while and do-while statements with example.

5 marks

Answer

What is an expression? Explain different categories of expressions.

5 marks

Answer

610 marks

Write a program to find the string length by using inbuilt string functions.

5 marks

Answer

What are the advantages of functions?

5 marks

Answer

710 marks

Explain the methods of passing data to a function with examples.

5 marks

Answer

Discuss about String manipulation functions.

5 marks

Answer

810 marks

Describe the use of pointers in self-referential structures.

5 marks

Answer

Elaborate the command line arguments.

5 marks

Answer

910 marks

List and explain the standard C pre-processors.

5 marks

Answer

Give the syntax of malloc() and calloc() functions and explain its need.

5 marks

Answer

1010 marks

How the structure elements can be passed to functions? Explain with an example program.

5 marks

Answer

Explain the insertion sort with an example program.

5 marks

Answer

1110 marks

Explain the difference between structure and union with an example.

5 marks

Answer

Illustrate selection sort with an example.

5 marks

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech I Year C PROGRAMMING FOR ENGINEERS Previous Question Paper (March/April - 2023 - R22)

Part A

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Part B

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