Question: What is the output of the following code in C++?
int num;
int y=0;
cin >> num = 7;
while ( num > 0 )
{
num = num / 10;
y++;
}
cout << y;
(A). 1
(B). 2
(C). 10
(D). 11
(E). None of these
Answer of Multiple Choice Question: (A). 1
Question: Find the output of the following code.
float NO, b=3;
cin >> NO;
b = pow ( NO, 0.5 );
cout << b << endl;
(A). 5
(B). 2.73
(C). 1.73
(D). 9
(E). None of these
Answer of Multiple Choice Question: (C). 1.73
Question: Give the output of the following code segment?
int a = 0,b = 1,t,j = 1,num = 5;
cout << a << b;
do
{
t = a + b;
cout << t;
a = b ;
b = t;
j++;
}
while (j <=num );
(A). 0112358
(B). 0224678
(C). 2
(D). 3
(E). None of these
Answer of Multiple Choice Question: (A). 0112358
Question: What is the output of the following lines of code?
int a = 2,b =1, t, j = 1, num = 5;
cout << a << b;
do
{
t = a + b;
a = b + t;
cout << t;
j++;
}
while ( j <= num );
(A). 21357912
(B). 21357913
(C). 21357911
(D). 21357914
(E). None of these
Answer of Multiple Choice Question: (C). 21357911
Question: What is the output produced by the following code?
int z;
int number = 99;
int g = 0;
while ( number > 0 )
{
z = number % 10;
number = number / 10;
g = g + z;
}
cout << g;
(A). 9.9
(B). 10.9
(C). 9.9
(D). 18
(E). None of these
Answer of Multiple Choice Question: (D). 18
Question: What will be the output of the following code?
int j;
int h = 0;
int numbers = 10;
for( j = 1; j <= numbers; j++ )
{
h = h + j;
cout << j;
}
cout << h;
(A). 12345678910
(B). 1234567891055
(C). 123456789
(D). 1234567890
(E). None of these
Answer of Multiple Choice Question: (B). 1234567891055
Question: What is the output of the following code snippet?
int num = 5;
int array [10], k = 0;
int n;
while ( num > 0)
{
array[k] = num%2;
num = num / 2;
k++;
}
for( n = k-1; n>=0; n– )
{
cout << array[n];
}
(A). 101
(B). 1011
(C). 111
(D). 0101
(E). None of these
Answer of Multiple Choice Question: (A). 101
Question: What is the output of the following code snippet?
char a[10] = “T4”;
char b[10] = “Tutorials”;
cout << a << endl;
cout << b <<endl;
strcat ( a ,b );
cout << a;
getch();
(A).
T4
Tutorials
T4
(B).
T4
Tutorials
T4Tutorials
(C).
T4
Tutorials
T4
Tutorials
(D). Both a and b
(E). None of these
Answer of Multiple Choice Question: (B).
T4
Tutorials
T4Tutorials
