BE Electrical Engineering छमाही २ (इंजीनियरिंग) - University of Mumbai Important Questions

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

Write a program to perform matrix multiplication by passing input matrix to the function and printing resultant matrix.