C++ Multiple Choice Questions Page 8 of 14

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Question: 141

#include<iostream>

enum color{
	black=-5,
	blue,
	red	
};
int main()
{    
    color obj = blue;
    std::cout<<obj;
    return 0;
}

(A) Compilation Error
(B) 0
(C) 1
(D) -4

Compiler

Level: Practitioner

Category of MCQ: enum in C++

Question: 142

The data elements in structure are also known as ?

(A) data
(B) members
(C) objects
(D) none of these

Compiler

Level: Beginner

Category of MCQ: structure in C++

Question: 143

How many elements we can have in any structure?

(A) 128
(B) 256
(C) 1024
(D) None of the above

Compiler

Level: Practitioner

Category of MCQ: structure in C++

Question: 144

Can we initialize structure's elements in structure itself?

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

Compiler

Level: Beginner

Category of MCQ: structure in C++

Question: 145

In place of structure which other data type can be used in programming?

(A) int
(B) float
(C) class
(D) enum

Compiler

Level: Practitioner

Category of MCQ: structure in C++

Question: 146

Can we declare structure inside structure?

(A) Yes
(B) No

Compiler

Level: Practitioner

Category of MCQ: structure in C++

Question: 147

Can we typedef in declaring structure?

(A) Yes
(B) No

Compiler

Level: Practitioner

Category of MCQ: structure in C++

Question: 148

Which operator is used to access the namespace?

(A) :?
(B) ::
(C) ->
(D) .

Compiler

Level: Practitioner

Category of MCQ: namespace in C++

Question: 149

What is the correct syntax to access any variable of Namespace?

(A) namespace::a
(B) namesspace.a
(C) namespace->a
(D) namespace:a

Compiler

Level: Practitioner

Category of MCQ: namespace in C++

Question: 150

Which header file is used to only read files in C++?

(A) <iostream>
(B) <ofstream>
(C) <ifstream>
(D) <fstream>

Compiler

Level: Beginner

Category of MCQ: filehandling in C++

Question: 151

Which header file is used to write data into file?

(A) <ofstream>
(B) <outstream>
(C) <iofstream>
(D) <ostream>

Compiler

Level: Beginner

Category of MCQ: filehandling in C++

Question: 152

Header file used to perform both read & write operations on files in C++?

(A) <ofstream>
(B) <ifstream>
(C) <fstream>
(D) <iostream>

Compiler

Level: Beginner

Category of MCQ: filehandling in C++

Question: 153

Which mode of the following will append the file if it already exist in C++?

(A) ios :: out
(B) ios :: app
(C) ios :: in
(D) ios::end

Compiler

Level: Practitioner

Category of MCQ: filehandling in C++

Question: 154

If I want use multiple modes in open() function while file handling then which operator is used for this?

(A) ios::out | ios::in
(B) ios::out, ios::in
(C) ios::out || ios::in
(D) ios::out & ios::in

Compiler

Level: Expert

Category of MCQ: filehandling in C++

Question: 155

Why seekg() is used in file handling of C++

(A) Moves get pointer (input) to a specified location
(B) Moves put pointer (output) to a specified location
(C) Gives the current position of the get pointer
(D) Gives the current position of the put pointer

Compiler

Level: Practitioner

Category of MCQ: filehandling in C++

Question: 156

Why use seekp() in file handling of C++?

Compiler

Level: Practitioner

Category of MCQ: filehandling in C++

Question: 157

What is the roll of tellg() in C++ file handling?

Compiler

Level: Practitioner

Category of MCQ: loops in C++

Question: 158

What is the role of tellp() in C++ file handling?

(A) Gives the current position of the put pointer
(B) Gives the current position of the get pointer
(C) Moves put pointer (output) to a specified location
(D) Moves get pointer (input) to a specified location

Compiler

Level: Practitioner

Category of MCQ: filehandling in C++

Question: 159

The statement structure that is NOT a looping is:

(A) For
(B) Do…While
(C) If
(D) While

Compiler

Level: Beginner

Category of MCQ: loops in C++

Question: 160

A process of repeating the workflow is called ...

(A) Branching
(B) Looping
(C) Rekursif
(D) Algorithm

Compiler

Level: Beginner

Category of MCQ: loops in C++

Question: 161

Which of the following is not a C++ Library?

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