1.
What
will be the output of following program?
#include<iostream.h>
void
main()
{
float
x;
x=(float)9/2;
cout<<x;
}
(A)
4.5
(B)
4.0
(C)
4
(D)
5
Answer: A
2.
A
white space is :
(A)
blank space
(B)
new line
(C)
tab
(D)
all of the above
Answer: D
3.
The
following can be declared as friend in a class
(A)
an object
(B)
a class
(C)
a public data member
(D)
a private data member
Answer: B
4.
What
would be the output of the following?
#include<iostream.h>
void
main()
{
char
*ptr=“abcd”
char
ch;
ch
= ++*ptr++;
cout<<ch;
}
(A)
a
(B)
b
(C)
c
(D)
d
Answer: B
5.
A
copy constructor takes
(A)
no argument
(B)
one argument
(C)
two arguments
(D)
arbitrary no. of arguments
Answer: B
6.
Overloading
a postfix increment operator by means of a member function takes
(A)
no argument
(B)
one argument
(C)
two arguments
(D)
three arguments
Answer: A
7.
Which
of the following ways are legal to access a class data member using this
pointer?
(A)
this.x
(B)
*this.x
(C)
*(this.x)
(D)
(*this).x
Answer: D
8.
If
a=8 and b=15 then the statement
x=
(a>b) ? a:b;
(A)
assigns a value 8 to x
(B)
gives an error message
(C)
assigns a value 15 to x
(D)
assigns a value 7 to x
Answer: C
9.
What
is the output of the following code
int
n=0, m;
for
(m=1; m<=n+1; m++)
printf(“%d”,
m);
(A)
2
(B)
1
(C)
0
(D)
6
Answer: B
10. In
the following code fragment
int x, y = 2, z, a;
x=(y*=2) + (z=a=y);
printf (‘%d’,x);
(A) prints 8
(B) prints 6
(C) prints 6 or 8 depending on the compiler
(D) is syntactically wrong
Answer: A
Explanation:
It will print 8 because
x=(y*=2)+(z=a=y)=4+4=8.
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