Lords Institute of Engineering and Technology
Programming for Problem Solving (PPS)
UNIT I
Important Questions
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Question
1
Explain the components of a computer with a neat block diagram.
2
Explain the various steps involved in executing a C Program.
3
What is an Algorithm? What are the properties of an Algorithm
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What are the advantages and disadvantages of an Algorithm
What is a Flow chart? Explain the different types of symbols used
in a flow chart?
Write short note on Pseudo code.
Differentiate between Flow chart and Algorithm.
What is a variable. What are different types of variables. Give the
rules for variable declaration.
Name the different data types that support C Language and
explain them in detail.
Write short notes on Syntax and Logical Errors.
Explain the difference between Object and Executable code.
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UNIT II
Sno
Question
1
What is meant by Operator Precedence?
2
Explain different Decision Making ( Conditional Branching)
Statements in C? ( Hint IF , IF-ELSE,NESTED IF , ELSE IF LADDER,
SWITCH)
Explain One Dimensional array with syntax ( Declaration and
Initialization)
Explain Two Dimensional Array with syntax( Declaration and
Initialization)
What is a String? List string handling functions along with syntax.
Explain different Operators in C Language? (8 Operators with
symbols and examples you have to write.
a) Arithmetic b)Assignment c) Logical d) Relational e) Ternary
f) Bitwise g) Special h)
Explain the following statements
a) Continue b) break c) goto
Explain various looping statements in C Language( Hint for
loop,while loop and do while loop) write syntax and flow chart.
Explain how to pass an Array to a function
What is a Character Array? How they are declared.
Explain how two-dimensional arrays can be used to represent
matrices. Write a C code to perform Matrix addition and Matrix
Multiplication
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UNIT III
Sno
Question
1
Write an Algorithm for Linear Search
2
Write an program for Linear Search
3
Write an Algorithm/Program for Binary Search
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Write an Algorithm/Program for Bubbles sort
Write an Algorithm/Program for Selection Sort
Write a program to find the roots of a Quadratic Equation.
What is a function? Explain the elements of a function
Give the structure of a function and explain about the arguments
and their return values.
What are standard library functions? Illustrate with suitable
examples.
Explain in detail about passing parameters to a function. ( Hint:
Call by Value and Call by Reference)
Explain how arrays are passed to a function with an example.
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UNIT IV
Sno
Question
1
Define Recursion? What are the advantages of Recursion?
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Define Structure? What are the advantages of Structure?
How do you declare and initialize a structure?
Explain the concepts of Array of structures?
Explain the sizeof()
Write a C Program to find the factorial using recursion?
Write a C Program to find the GCD using recursion?
Write a C Program to find the Fibonacci series using recursion?
Write a C Program to find the Binary Search using recursion?
Programs on Structures and Array of Structures ( Examples like
student structure, Employee)
UNIT V
Sno
Question
1
Define a Pointer ? What are the advantages of pointers
2
What is an Indirection Operator?
3
What are Pointer Constants, Pointer Values and Pointer Variables
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Explain Self Referential Structures.
Explain the Notion of Linked Lists
Explain the process of accessing a variable through its pointers?
Give example
Describe various types of files with example.
Explain stream functions (input – output) functions for files.
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Explain syntax for opening a file with various modes and closing a
file
Explain about random access files (rewind(),ftell(),fseek() )
functions.
Write a program to copy the contents of one file to another
Write a program to count number of characters,words and lines in
a give file