BE Chemical Engineering Semester 2 (FE First Year) - University of Mumbai Important Questions

Write a menu driven program to perform arithmetic operations on two integers. The menu should be repeated until user selects “STOP” option. Program should have independent user defined functions for each case.

Predict output of following program segment.
main()
{
int a,b,*p1,*p2,x,y;
clrscr();
a=48;b=10;p1=&a;p2=&b;
x=*p1**p2-8;
*p1=*p1+*p2;
y=(*p1/ *p2)+20;
printf("%d%d%d%d%d%d",*p1,*p2,a,b,x,y);
}

Predict output of following program segment.

main()
{
int x=4, y=9,z;
clrscr();
z=x++ + --y+y;
printf("\n%d%d%d",x,y,z);
z= --x+x+y--;
printf("\n%d%d%d",x,y,z);
getch();
}

Enlist bitwise operator in c language. Explain any 2 with examples.

WAP to print following pattern for n lines. [Note: range of n is 1-9]

1
121
12321
1234321

WAP to print binary equivalent of entered decimal no.

Write the output of following code:
#include<stdio.h>
int main()
{
int val = 1;
do{
val++;
++val;
}while(val++>25);
printf(“%d\n”,val);
return 0;
}

Write a program to validate whether accepted string is palindrome or not. 

Write a program to find transpose of matrix without making use of another matrix.

Define structure consisting of following elements
1. student roll_no
2. student name
3. student percentage
Write a program to read records of 5 students of and display same.

Write a program to implement calculator with following operations using switch case
1. add two numbers
2. subtract two numbers
3. multiply two numbers
4. divide two numbers 

Write a program to generate following patterns. 

1. 1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

Write a program to generate following patterns. 

1
2 3
3 4 5
6 7 8 9 

Explain switch case and if-else ladder with example. 

Explain break and continue statement with example. 

State True or False with reason.

while(0); is an infinite loop.

Explain Nested Structure. Write a program using nested structure to create an Array of structure to store the details of N students.
The details are,
1. Student name
2. Student roll no
3. Marks of Physics, Chemistry, Maths.
Calculate total of P-C-M. Display the data in the format
Name Roll no Total marks

WAP to print the sum of following series.

1+2²+3³+………+nⁿ

Compare the following

break and continue statements

Compare the following

if-else and switch statements