C++ MCQ : C++ Constants (MULTIPLE CHOICE QUESTIONS)

In the last set of MCQs, we were introduced to C++ Data Types. There, we have discussed some questions. This set of multiple choice questions focuses on the C++ Constants.

Firstly, read all the questions and after that select the appropriate option. Moreover, each question contains four options, out of them only one option will be correct. If you fail to select the correct option, don’t worry, you can try again at the end (by refreshing the page). You can use Previous and Next button to switch to a different set of questions.

C++ MCQ | CONSTANTS

TEST INSTRUCTIONS: Click on options to see the answer.

Now, start attempting the quiz.

#1. How the constants are declared?

#define preprocessor

#define preprocessor

const keyword

const keyword

Both

Both

None

None

#2. We can create ____ in C++ using the qualifier constant and defining a set of integer constant using enum keywords.

number constant

number constant

basic constant

basic constant

named constant

named constant

symbolic constant

symbolic constant

#3. The ____ are just like variables except that their values cannot be changed.

named constant

named constant

symbolic constant

symbolic constant

number constant

number constant

basic constant

basic constant

#4. What are the parts of the literal constants?

strings and boolean values

strings and boolean values

floating-point numerals

floating-point numerals

all of the mentioned

all of the mentioned

integer numerals

integer numerals

#5. The constants are also called as ___.

preprocessor

preprocessor

const

const

None of the mentioned

None of the mentioned

literals

literals

#6. Regarding following statement which of the statements is true?
const int a = 100;

Declares a constant a whose value will be 100

Declares a constant a whose value will be 100

Declares a construction a with 100 as its initial value

Declares a construction a with 100 as its initial value

Declares a variable a with 100 as its initial value

Declares a variable a with 100 as its initial value

Constructs an integer type variable with a as identifier and 100 as value

Constructs an integer type variable with a as identifier and 100 as value

#7. In C++, ____ refer to fixed values that do not change during the execution of a program.

Strings

Strings

Operators

Operators

Identifiers

Identifiers

Constants

Constants

#8. Constant variables can be created in CPP by using ___.

enum

enum

#define

#define

All of these

All of these

const

const

#9. The difference between x and ‘x’ is:

The first one refers to a variable whose identifier is x and the second one refers to the character constant x

The first one refers to a variable whose identifier is x and the second one refers to the character constant x

Both are same

Both are same

The first one is a character constant x and second one is the string literal x

The first one is a character constant x and second one is the string literal x

None of the mentioned

None of the mentioned

#10. Output of C++ program?
#include <iostream>
int const s=9;
int main()
{
std::cout << s;
return 0;
}

Compile error

Compile error

None

None

0

0

9

9

Finish

Results

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Are you curious to learn more about C++ Programming? If yes, then don’t forget to explore all the topics of C++ programming. Here, is the complete set of Multiple Choice Questions and Answers. These question sets are very helpful in preparing for Competitive Exams and University level exams.

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