MCASemester 12021-22Problem Solving Using CKCA-102

Problem Solving Using C (KCA-102) - AKTU Question Paper 2021-22

MCA · Semester 1 · Free PDF Download

This is the official AKTU Problem Solving Using C Previous Year Question Paper for MCA Semester 1, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:MCA

Semester:Semester 1

Session:2021-22

University:AKTU / UPTU

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Questions Asked in 2021-22

Problem Solving Using C (KCA-102) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20

a
Differentiate between compiler & interpreter. 2 1
b
How keywords are different from identifiers? 2 1
c
Differentiate between actual argument and formal argument. 2 2
d
Determine the value of the following logical expressions if a=5, b=10
e
What will be the output of the code?
```
void main()
{
int a,b *p
```
a
= 10; p=&a; b = *p+20;
```
printf(“%d”, b);
}
```
f
An array is declared as int a [100]; If the base address of t he array is 5000, what will be the address of a[59]. (Consider 16 bit machine architecture). 2 3
g
How a structure is different from union? 2 4
h
Differentiate between dot operator and -> operator to access structure objects. 2 4 i. Explain the statement fseek (fp, m, 1). 2 5 j. Illustrate the function feof(). 2 5

Section BAttempt any three of the following: 3x10 =30

a
Define algorithm and explain the characteristics of Algorithm. Write an algorithm to find the roots of a quadratic equation. 10 1
b
How entry-controlled loop is different from exit-controlled loo p ? W r i t e a program to print the pattern
c
What do you mean by function prototype? How call by value is di fferent from call by reference? Illustrate call by reference with a suitable example. 10 3
d
How a structure is different from an array? Write a C program t o store employee details such as Empid, Name, Salary and Age for 50 emp loyees and display the same for the users
e
Develop a C program to copy the contents of one file to another file. The file name must be pass through command line arguments. 10 5

Section CAttempt any one part of the following: 1x10 = 10

a
What is the use of flow charts? Explain the symbols used in a f lowchart. Draw
a
flowchart to find the maximum among three input numbers. 10 1
b
What do you mean by operator precedence and associativity? Expl ain all bit- wise operators with suitable example. 10 1
a
Give the syntax and explain the working of switch-case statemen t. Write a program to implement the menus based basic calculator using switch case 10 2
b
Identify the use of modular programming?Write a program by usin g user define function to check given number is prime or not. 10 2
a
Illustrate the different ways to input a string in C language. Write a program to count the number of words and number of characters in an input string. 10 3
b
Define a pointer. How do you declare and initialize a pointer? Write a program to add the contents of an integer array using pointer. 10 3
a
Define scope and lifetime of a v ariable. Explain in detail abou t all storage classes supported in C language with reference to scope and lifetime
b
How a structure is different from union? Write a program to sto re 50 players’ details such as Player Name, Country Name and batting average. Using the database Display the details of the players who are playing for a given country
a
What are the drawbacks of static memory allocation? Explain the functions available in C language to allocate memory dynamically. 10 5
b
Explain the following graphics functions supported by C language i. initgraph() ii. rectangle() iii. outtextxy() iv. line() v. setbgcolor() 10 5

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KCA-102

Questions that appeared in more than one session, found by comparing 4 years of Problem Solving Using C papers (2021-22, 2022-23, 2023-24, 2024-25)

Differentiate between compiler & interpreter. 2 1