1 ) A function is invoked with a _______ .
A ) constructor ,
B ) begin ( ) ,
C ) function parameters ,
D ) function call ,
Correct answers : - D ) function call ,
2 ) Which of the following statement is correct ?
A ) Only one parameter of a function can be a default parameter .
B ) Minimum one parameter of a function must be a default parameter .
C ) All the parameters of a function can be default parameters .
D ) No parameter of a function can be default .
Correct answers : - C ) All the parameters of a function can be default parameters .
3 ) The default case is required in the switch selection structure .
A ) True ,
B ) False ,
Correct answers : - B ) False ,
4 ) A variable declared outside any block or function is a ______ variable .
Correct answers : - global .
5 ) Which of the following statement is correct ?
A ) A constructor is called at the time of declaration of an object .
B ) A constructor is called at the time of use of an object .
C ) A constructor is called at the time of declaration of a class .
D ) A constructor is called at the time of use of a class .
Correct answers : - A ) A constructor is called at the time of declaration of an object .
6 ) Variable names must begin with ______ .
A ) # ,
B ) $ ,
C ) Number ,
D ) Letter ,
Correct answers : - D ) Letter ,
7 ) What is the output of the following program ?
#include<iostream>
using namespace std;
main() {
float t = 2;
switch(t) {
case 2: cout<<”Hi”;
default: cout<<"Hello";
}
}
Single choice.
A ) Hi ,
B ) HiHello ,
C ) Hello ,
D ) Error ,
Correct answers : - D ) Error ,
8 ) In CPP , members of a class are _____ by default .
A ) Public ,
B ) Protected ,
C ) Private ,
D ) Static ,
Correct answers : - C ) Private ,
9 ) An array subscript should normally be of data type float .
A ) True ,
B ) False ,
Correct answers : - B ) False ,
10 ) The process of determining if an array contains a certain key value is called ____ the array .
A ) sorting ,
B ) indexing ,
C ) searching ,
D ) accessing ,
Correct answers : - C ) searching ,
11 ) Reusability of code in C++ is achieved through ______ .
A ) Functions ,
B ) Arrays ,
C ) Encapsulation ,
D ) Inheritance ,
Correct answers : - D ) Inheritance ,
12 ) The ______ statement in a called function passes the value of an expression back to the calling function .
A ) return ,
B ) goto ,
C ) break ,
D ) call ,
Correct answers : - A ) return ,
13 ) What is a constant that contains a single character enclosed within single quotes ?
A ) Character ,
B ) Numeric ,
C ) Fixed ,
D ) Floating point ,
Correct answers : - A ) Character ,
14 ) Does both the loops in the following programs prints the correct string length ?
#include<iostream>
using namespace std;
main() {
int i;
char s[] = "hello";
for(i=0; s[i]; ++i);
cout<<i<<endl;
i=0;
while(s[i++]);
cout<<i;
}
Single choice.
A ) Yes , both the loops prints the correct length .
B ) Only while loop prints the correct length ,
C ) Only for loop prints the correct length ,
D ) Compile error in the program ,
Correct answers : - C ) Only for loop prints the correct length ,
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