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C++ Objective Questions - 267

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Question: 1

How many loops are there in C++ 98?

(A) 2
(B) 3
(C) 4
(D) 1

Compiler Forum
Level: Beginner Category: loops
[Posted by: Admin | Chicago, USA]

Question: 2

What is the output of below program?

int main()
{
 if(0)
 {
    cout<<"Hi";
 }
 else
 {
    cout<<"Bye";
 }
return 0;
}

(A) Hi
(B) Bye
(C) HiBye
(D) Compilation Error

Compiler Forum
Level: Beginner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 3

What following operator is called 
?:

(A) Scope Resolution Operator
(B) Conditional Operator
(C) Ternary Operator
(D) if else o/p

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 4

What is size of int data type in cpp?

(A) 2 Bytes
(B) 4 Bytes
(C) 1 Byte
(D) Depends on Compiler

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 5

Which operator can not be overloaded?

(A) +
(B) -
(C) *
(D) ::

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 6

Which operator has more precedance  in below list?

(A) +
(B) -
(C) ++
(D) *

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 7

What should be the output of below program?

int main()
{
int a=10; 
cout<<a++;
return 0;
}

(A) 11
(B) 10
(C) Error
(D) 0

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 8

Can we typecast void * into int *?

(A) Yes
(B) No
(C) Undefined
(D) Depends on Compiler

Compiler Forum
Level: Practitioner Category: datatype
[Posted by: Admin | Chicago, USA]

Question: 9

What is currect syntax of for loop?

(A) for(initialization;condition; increment/decrement)
(B) for(increment/decrement; initialization; condition)
(C) for(initialization, condition, increment/decrement
(D) None of These

Compiler Forum
Level: Beginner Category: loops
[Posted by: Admin | Chicago, USA]

Question: 10

#include<iostream.h>
void Execute(int &x, int y = 200)
{
 int TEMP = x + y;
 x+= TEMP;
 if(y!=200)
     cout<<TEMP<<x<<y"--";
}

int main()
{
 int A=50, B=20;
 cout<<A<<B<<"--";
 Execute(A,B);
 cout<<A<<B<<"--";
 return 0;
}

(A) 5020--5020--
(B) 5020--7012020--12020--
(C) 5020--70120200--5020
(D) 5020--7050200--5020--

Compiler Forum
Level: Practitioner Category: function
[Posted by: Admin | Chicago, USA]

Question: 11

Can we overload functions in C++?

(A) Yes
(B) No
(C) Compilation Error
(D) Runtime Error

Compiler Forum
Level: Beginner Category: function
[Posted by: Admin | Chicago, USA]

Question: 12

How many times CppBuzz.com is printed?

int main()
{
    int i=0;
    lbl:
    cout<<"CppBuzz.com";
    i++;
    if(i<5)
    {
	goto lbl;
    }
return 0;

}

(A) Error
(B) 5 times
(C) 4 times
(D) 6 times

Compiler Forum
Level: Practitioner Category: loops
[Posted by: Admin | Chicago, USA]

Question: 13

What is output of below program?
int main()
{
  const int a=10;
  a++;
  cout<<a;
return 0;

}

(A) 10
(B) 11
(C) Compilation Error
(D) Linking Error

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 14

How to access and edit data in data file handling using structures

(A) read()
(B) write()
(C) both A and B
(D) without read()

Compiler Forum
Level: Practitioner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 15

Which operator has highest precedence in * / % ?

(A) *
(B) /
(C) %
(D) all have same precedence

Compiler Forum
Level: Practitioner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 16

Which operator has highest precedence?

(A) ()
(B) =
(C) *
(D) ++

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 17

//What is the value of a in below program?

int main()
{
 int a, b=20;
 a = 90/b;
 return 0;
}

(A) 4.5
(B) 4.0
(C) 4
(D) Compilation Error

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 18

class base
{
public:
       base()
       {          
           cout<<"BCon";
       }
       ~base()
       {
	   cout<<"BDest ";
       }
};
class derived: public base
{
public:
       derived()
       {     cout<<"DCon ";
       }
       ~derived()
       {     cout<<"DDest ";
       }
};

int main()
{
derived object;
return 0; 
}

(A) Dcon DDest
(B) Dcon DDest BCon BDest
(C) BCon DCon DDest BDest
(D) BCon DCon BDes DDest

Compiler Forum
Level: Beginner Category: classesAndobjects
[Posted by: Admin | Chicago, USA]

Question: 19

//What is the output of below program?

int main()
{
int a = 10;
cout<<a++;
return 0;
}

(A) 10
(B) 11
(C) 12
(D) Not defined

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 20

What is the full form of oop

(A) Object oriented programming
(B) Oriented object programming
(C) Office oriented programming
(D) office objective programming

Compiler Forum
Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 21

What is output of below program?

int main()
{
  int a=10;
  int b,c;
  b = a++;
  c = a;
  cout<<a<<b<<c;
  return 0;
}

(A) 111011
(B) 111111
(C) 101011
(D) 101010

Compiler Forum
Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 22

Can a for loop contain another for loop?

(A) No
(B) Yes
(C) Compilation Error
(D) Runtime Error

Compiler Forum
Level: Beginner Category: loops
[Posted by: Admin | Chicago, USA]

Question: 23

Can a Structure contain pointer to itself?

(A) Yes
(B) No
(C) Compilation Error
(D) Runtime Error

Compiler Forum
Level: Beginner Category: structure
[Posted by: Admin | Chicago, USA]

Question: 24

What is size of void in bytes?

(A) 1
(B) 2
(C) 4
(D) 0

Compiler Forum
Level: Beginner Category: datatype
[Posted by: Admin | Chicago, USA]

Question: 25

Can any function call itself?

(A) Yes
(B) No
(C) Compilation Error
(D) Runtime Error

Compiler Forum
Level: Beginner Category: function
[Posted by: Admin | Chicago, USA]

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Home » C++ » C++ Objective Questions (Page-1)

C++ Objective Questions - 267

Browse C++ Categories

CppBuzz Forum☆

Shortcut links - MCQs

Subjective Questions

Solved Problems

Free Projects

Online Compiler

Upload Questions

Online Test

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