C++ Online Trivia Quiz

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| By Rynus98
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Questions: 10 | Attempts: 2,414

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C++ Online Trivia Quiz - Quiz

Are you a good C++ programmer? Can you pass this C++ online trivia quiz? There are so many programming languages, but C++ is one of the most used programming languages. C++ is a very popular programming language. C++ is good for creating computer programs and is one of the most used languages in game development. You will test and improve your knowledge of this language through these questions on the quiz. All the best!


Questions and Answers
  • 1. 

    What is the correct value to return to the operating system upon the successful completion of a program?

    • A.

      0

    • B.

      1

    • C.

      2

    • D.

      Programs do not return a value.

    • E.

      -1

    Correct Answer
    A. 0
    Explanation
    Upon the successful completion of a program, it is common practice to return the value 0 to the operating system. This convention has been established to indicate that the program executed successfully without any errors or issues. By returning 0, the program signals to the operating system that it has completed its intended tasks and can be terminated without any problems.

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  • 2. 

    What symbol is used to state the beginning and the end of blocks of code?

    • A.

      ( and )

    • B.

      < and >

    • C.

      -and-

    • D.

      { and }

    Correct Answer
    D. { and }
    Explanation
    The symbols { and } are used to state the beginning and the end of blocks of code. These symbols are commonly used in programming languages like C, C++, Java, and JavaScript to enclose a group of statements that belong together and should be executed as a unit. The opening curly brace { indicates the start of the block, and the closing curly brace } indicates the end of the block. This helps in organizing and structuring the code, making it easier to read and understand.

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  • 3. 

    ^ symbol is used for Yes in C++.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    In C++, the ^ symbol is not used for representing "Yes". In fact, the ^ symbol is not a valid operator in C++. It is used in other programming languages like C++/CLI to denote a managed pointer or a handle to an object. Therefore, the correct answer is False.

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  • 4. 

    Which of the following answers is the correct operator to compare two variables?

    • A.

      =

    • B.

      ==

    • C.

      Both

    • D.

      None

    Correct Answer
    B. ==
    Explanation
    The correct operator to compare two variables is "==". This operator checks if the values of the two variables are equal. The "=" operator is used for assignment, not comparison. Therefore, the correct answer is "==".

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  • 5. 

    Evaluate !(1 && !(0 || 1)).

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The expression can be broken down as follows:
    (0 || 1) evaluates to True because at least one of the conditions is true.
    !(0 || 1) evaluates to False because it negates the result of (0 || 1).
    (1 && !(0 || 1)) evaluates to False because one of the conditions is false.
    !(1 && !(0 || 1)) evaluates to True because it negates the result of (1 && !(0 || 1)).
    Therefore, the final evaluation is True.

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  • 6. 

    Which of the following shows the correct syntax for an if statement?

    • A.

      If {expression}

    • B.

      If (expression)

    • C.

      If expression

    • D.

      None of the above

    • E.

      All of the above

    Correct Answer
    B. If (expression)
    Explanation
    The correct syntax for an if statement is "If (expression)". This is because the if statement requires a condition to be enclosed in parentheses. The keyword "if" is followed by the condition inside the parentheses, which determines whether the subsequent block of code will be executed or not. Therefore, the correct answer is "If (expression)".

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  • 7. 

    Which of the following is the boolean operator for logical-and?

    • A.

      &

    • B.

      &&

    • C.

      |

    • D.

      None of the above

    Correct Answer
    B. &&
    Explanation
    The correct answer is "&&". In programming, the double ampersand "&&" is the boolean operator for logical-and. It is used to combine two boolean expressions and returns true if both expressions are true, otherwise it returns false. The single ampersand "&" is a bitwise operator, not a logical operator, and "|" is the boolean operator for logical-or. Therefore, the correct boolean operator for logical-and is "&&".

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  • 8. 

    How do you say "not equal to?"

    • A.

      =

    • B.

      ==

    • C.

    • D.

      !=

    • E.

      -=

    Correct Answer
    D. !=
    Explanation
    The symbol "!=" is commonly used in programming languages to represent "not equal to." It is used to compare two values and check if they are not equal. This symbol is used to express inequality between two values and is the opposite of the equality operator "==".

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  • 9. 

    { is called a bracket.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "is called a bracket" is incomplete and does not provide enough information to determine if it is true or false. The term "bracket" can refer to different things in various contexts, such as mathematical symbols or punctuation marks. Without further clarification, it is not possible to determine if the statement is true or false.

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  • 10. 

    What symbol is used for not in C++?

    • A.

      N

    • B.

      ^

    • C.

      !

    • D.

      *

    • E.

      /*

    Correct Answer
    C. !
    Explanation
    In C++, the symbol "!" is used to represent the logical operator "not". It is used to negate the truth value of an expression. For example, if a condition is true, applying the "!" operator to it will make it false, and vice versa. Therefore, the correct answer is "!".

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