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Variables and Data Types in C++ MCQ question and answer with solution | C++ Programimg MCQs

Learn Variables and Data Types in C++ MCQ Questions and answers with easy and logical explanations in C++ Programimg. Variables and Data Types in C++ MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-6 section-1

Each section contains 100 MCQs on Variables and Data Types in C plus plus .
51
What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
    int a = 10;
    if (a < 10) 
    {
        for (i = 0; i < 10; i++)
           cout << i;
    }
    else 
    {
        cout << i;
    }
    return 0;
}
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
52
What happens when a null pointer is converted into bool?
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Answer & Solution
Answer: Option C
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53
What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
    float i = 123.0f;
    cout << i << endl;
    return 0;
}
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
54
Pick the odd one out.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
55
How many characters are specified in the ASCII scheme?
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
56
Choose the correct option.
extern int i;
int i;
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
57
Which is used to indicate single precision value?
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
58
0946, 786427373824, 'x' and 0X2f are . . . . . . . . and . . . . . . . . literals respectively.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
59
In which type do the enumerators are stored by the compiler?
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Answer & Solution
Answer: Option B
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60
The value 132.54 can be represented using which data type?
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board