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Constants C++ Questions And Answers

Here you can find Constants C++ Questions and Answers.

Why Constants C++ Questions and Answers Required?

In this Constants C++ Questions and Answers section you can learn and practice Constants C++ Questions and Answers to improve your skills in order to face technical inerview conducted by Banks. By Practicing these interview questions, you can easily crack any Bank Exams interview.

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Constants C++ Questions and Answers

1. The Constants C++ are also called as

Constants C++ Questions and Answers

2. What are the parts of the literal Constants C++?

Constants C++ Questions and Answers

3. How the Constants C++ are declared?

Constants C++ Questions and Answers

4. What is the output of this program? #include using namespace std; int main() { int const p = 5; cout << ++p; return 0; }

Constants C++ Questions and Answers

5. What is the output of this program? #include < iostream > using namespace std; #define PI 3.14159 int main () { float r = 2; float circle; circle = 2 * PI * r; cout << circle; return 0; }

Constants C++ Questions and Answers

6. Which of the following statement is true about preprocessor directives?

Constants C++ Questions and Answers

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

Constants C++ Questions and Answers

8. The difference between x and ‘x’ is

Constants C++ Questions and Answers

9. How to declare a wide character in string literal?

Home EngineeringComputer Science & EngineeringC++ Multiple Choice Questions & AnswersConstants

Constants - C++ Questions and Answers

This is the c++ programming questions and answers section on "Constants" with an explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Thus, the contenders can check the provided Constants C++ Questions along with the Answers form this article. To increase the knowledge in the Constants C++ in C++ topic the applicants need to practice the Constants C++ Online Tests. So, on this page, we have provided the Constants C++ MCQ Quiz for the sake of students. All the postulates can check the multiple choice questions regarding Constants C++ in this article. To crack the interviews, the contenders need to practice the mock tests and learn the Constants C++ Questions and Answers. Constants C++ Multiple Choice Questions are useful for the Bank Exams, IBPS and other information technology related online exam preparation.



Constants C++ Questions - Constants C++ Quiz Details

Online Test Name Constants
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz
Number of Questions 09


Unlike the Variables, Constants never change in value. You need to initialize a constant when it is created. OOPS has two types of Constants like literal and symbolic. A literal constant is a value typed directly into the program wherever it is needed. A symbolic constant is a constant represented by the name, just like a variable. Applicants need to know the primary points related to the Constants. By taking part in the Constants C++ Online Test, the aspirants can know the various Constants C++ Questions. Students can score high in the interviews by identifying the topics related to the Constants.



Constants C++ Multiple Choice Questions

Constants C++ Multiple Choice Questions along with the explanation are arranged on this page. Without any sign-in information, the aspirants can practice the Constants C++ Online Test. All the competitors can know the basic to high-level concepts of the Constants C++ topic from this article. The contenders who are thinking to score the marks in the C++ section can practice the Constants C++ Quiz. And, the provided Constants C++ Questions are asked in the various interviews. Thus, the hopefuls can know the answers to all the questions and try to remember at the time of the interviews.

Constants MCQ Quiz Answers with Solutions

Contenders can use the 'View Answer" button to know the exact option that will suitable for the given Constants C++ Questions. Our team has also provided the explanation or solutions to the Constants C++ Multiple Choice Questions in this article. By verifying the explanation, the contenders can know why it is the correct option to that question. Are you searching for the more C++ Quizzes? Then check our website that is allindiaexams.in and refer to the online tests which are arranged on our homepage.


1. The constants are also called as
  • A. const
  • B. preprocessor
  • C. literals
  • D. none of the mentioned
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Answer & Explanation

Answer: Option C

Explanation:

literals

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2. What are the parts of the literal constants?
  • A. integer numerals
  • B. floating-point numerals
  • C. strings and boolean values
  • D. all of the mentioned
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Answer & Explanation

Answer: Option D

Explanation:

Because these are the types used to declare variables and so these can be declared as constants.

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3. How the constants are declared?
  • A. const keyword
  • B. #define preprocessor
  • C. both a and b
  • D. None of the mentioned
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Answer & Explanation

Answer: Option C

Explanation:

The const will declare with a specific type values and #define is used to declare user definied constants.

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4.

What is the output of this program?

#include

using namespace std;

int main()

{

int  const  p = 5;

cout << ++p;

return 0;

}

  • A. 5
  • B. 6
  • C. Error
  • D. None of the mentioned
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Answer & Explanation

Answer: Option C

Explanation:

We cannot modify a constant integer value.

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5.

What is the output of this program?

#include < iostream >

using namespace std;

#define PI 3.14159

int main ()

{

float r = 2;

float circle;

circle = 2 * PI * r;

cout << circle;

return 0;

}


  • A. 12.566
  • B. 13.566
  • C. 10
  • D. compile time error
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Answer & Explanation

Answer: Option A

Explanation:

In this program, we are finding the area of the circle by using concern formula.

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Related Topics:

  • Macros
  • Pointers
  • Functions
  • Operators and Statements
  • Namespaces
  • Classes
  • Interfaces
  • Inheritance
  • Templates
  • Arrays

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