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Question: 81

//Assume all headers are included
//What should be printed?

int main()
{
char Text[ ] = "Cpp@Buzz";

for(int I=0; Text[I]!='�';I++)
{
if(!isalpha(Text[I]))
Text[I]='*';
else if(isupper(Text[I]))
Text[I]=Text[I]+1;
else
Text[I] = Text[I+1];
}
cout<<Text;

return 0;
}

(A) *pp@*uzz
(B) CPP@BUZZ
(C) cpp@buzz
(D) Dp@*Czz

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Level: Expert

Category of MCQ: conditional in C++

Question: 82

//Find output of below program

#include<iostream>

int main()
{
int c1,c2;
int a = -8;
int b = 3;
c1 = --a + b;
c2 = a-- + b;
std::cout<<"c1="<<c1<<", "<<"c2="<<c2<<endl;

return 0;
}

(A) c1=-7,c2=-4
(B) c1=-7,c2=-3
(C) c1=-4,c1=b-3
(D) c1=-6,c2=-6

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Level: Practitioner

Category of MCQ: operators in C++

Question: 83

How many times CppBuzz.com is printed here?

int main()
{

for(int i=0; i< 5; i++);
cout<<"CppBuzz.com";

return 0;
}

(A) 0
(B) 1
(C) 4
(D) 5

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Level: Beginner

Category of MCQ: loops in C++

Question: 84

//Find the output of below program.

#include<iostream>

int main()
{
for(int i=1;i<=2;i++)
{
for(int j=i;j<=2;j++)
std::cout<<i<<@;
}
}

(A) 1@2@
(B) 1@2@1@
(C) 1@1@2@
(D) 1@2@2@

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Level: Practitioner

Category of MCQ: loops in C++

Question: 85

Which Exception is thrown when new fails to allocate memory?

(A) std::exception
(B) std::bad_alloc
(C) std::runtime_error
(D) std::out_of_range

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Level: Expert

Category of MCQ: other in C++

Question: 86

Which exception is thrown when dynamic_cast fails?

(A) std::bad_typeid
(B) std::logic_error
(C) std::runtime_error
(D) std::bad_cast

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Level: Practitioner

Category of MCQ: dynamic_cast in C++

Question: 87

Which is the Parent class for all exceptions?

(A) std::bad_exception
(B) std::logic_error
(C) std::exception
(D) std::runtime_error

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Level: Practitioner

Category of MCQ: exceptions in C++

Question: 88

What is the extention of the executable file produced
after compiling C/C++ code using g++ on Linux?

(A) .exe
(B) .out
(C) .lib
(D) .a

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Level: Practitioner

Category of MCQ: other in C++

Question: 89

Which part of memory is used for the allocation of local variables declared inside any function.

(A) Heap
(B) Stack
(C) Address Space
(D) Depends on Compiler

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Level: Expert

Category of MCQ: new_delete in C++

Question: 90

Car contains Engine. Which type of relationship is it?

(A) IS-A relation
(B) HAS-A relation
(C) None of these

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Level: Practitioner

Category of MCQ: classesAndobjects in C++

Question: 91

Are both of the preprocessor directives solving same purpose?

#include <iostream.h>

#include "iostream.h"

(A) Yes
(B) No
(C) Depends on compiler
(D) None of these

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Level: Practitioner

Category of MCQ: other in C++

Question: 92

What is the latest version of C++?

(A) C++ 03
(B) C++ 11
(C) C++ 14
(D) C++ 17

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Level: Expert

Category of MCQ: other in C++

Question: 93

ISO/IEC 14882:1998 represents which version of C++?

(A) C++ 03
(B) C++ 98
(C) C++ 0X
(D) C++ 03

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Level: Expert

Category of MCQ: other in C++

Question: 94

Which of the following is Right Shift operator?

(A) <
(B) <<
(C) ->
(D) >>

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Level: Beginner

Category of MCQ: operators in C++

Question: 95

Which of the following is the least safe type casting in C++?

(A) static_cast
(B) const_cast
(C) reinterpret_cast
(D) dynamic_cast

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Level: Expert

Category of MCQ: typecasting in C++

Question: 96

Which keyword is used to write Assembly code within a C++ program?

(A) ASM
(B) asm
(C) Not possible
(D) Compiler specific

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Level: Practitioner

Category of MCQ: other in C++

Question: 97

#include<iostream>

int main()
{
if(-1 == -1){
std::cout<<"Hey..";
}
else{        std::cout<<"CppBuzz.com";
}

return 0;
}

(A) Hey..
(B) CppBuzz.com
(C) Compilation Error
(D) None of these

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Level: Practitioner

Category of MCQ: conditional in C++

Question: 98

C++ 17 is also known as ___

(A) C++ 0x
(B) C++ 98
(C) C++ 1z
(D) C++ 11

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Level: Expert

Category of MCQ: cpp17 in C++

Question: 99

Which version of C++ introduced keyword - constexpr?

(A) C++0x
(B) C++11
(C) C++1z
(D) C++20

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Level: Expert

Category of MCQ: keyword in C++

Question: 100

Estimated C++ users?

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

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Level: Practitioner

Category of MCQ: other in C++

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