This Quiz Contains 10 Questions From C++ Chapter 3

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  • 1/10 Questions

    for loops are often used for counting or looping through a sequence.

    • True
    • False
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About This Quiz

C++ supports the four primary features of OOP, which means it supports deterministic destructors for classes unlike other OOP languages. The quiz below contains 10 questions from C++ chapter 3. Give it a shot and see how informed you are about the program and learn more. All the best and read up!

This Quiz Contains 10 Questions From C++ Chapter 3 - Quiz

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  • 2. 

    Arrays provide a way to store and access sequences of any type.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Arrays are a data structure that allows for the storage and retrieval of sequences of any type. This means that arrays can be used to store and access multiple values of the same or different data types in a sequential manner. Therefore, the statement that arrays provide a way to store and access sequences of any type is true.

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  • 3. 

    You can use the break; and continue; commands in a for loop.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In a for loop, the break command is used to exit the loop prematurely, while the continue command is used to skip the current iteration and move to the next one. Therefore, both break and continue commands can be used in a for loop to control the flow of execution based on certain conditions. Hence, the statement "You can use the break and continue commands in a for loop" is true.

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  • 4. 

    The empty() member function returns a true value if the string object is empty and false otherwise.example:  spaceship.empty()

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The empty() member function is used to check if a string object is empty or not. In this case, the function spaceship.empty() is being called. If the string object spaceship is empty, the function will return true. Therefore, the correct answer is true.

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  • 5. 

    Can you use the += operator to concatenate strings?

    • Yes

    • No

    Correct Answer
    A. No
    Explanation
    The += operator in most programming languages is used to add or concatenate values together. However, in some programming languages, like Python, the += operator cannot be used to concatenate strings. Instead, the + operator is used for string concatenation. Therefore, the correct answer is "No".

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  • 6. 

    Objects are entities that combine data and functions.example:  ship.energyexample: ship.fireWeapons() A function of an object is called what?

    Correct Answer
    Member Function
    member function
    Member function
    Explanation
    The function of an object is called a member function. It is a function that is defined within a class or object and can access the data and other member functions of that class. In the given example, ship.fireWeapons() is a member function of the ship object, which combines the action of firing weapons with the ship's data, such as energy.

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  • 7. 

    You can access a string or an array element by providing an index number inside a what?

    • Curly braces

    • Subscripting operator

    • Parenthesis

    • Quotes

    Correct Answer
    A. Subscripting operator
    Explanation
    The correct answer is "subscripting operator". This is because when accessing a string or an array element, we use square brackets [] to provide the index number. The subscripting operator allows us to retrieve a specific element from a string or an array by specifying its index.

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  • 8. 

    Bounds checking is done when you compile a program.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Bounds checking is not done when you compile a program. Bounds checking is a runtime feature that checks whether an array index or pointer is within the valid range of memory locations. It is typically performed during program execution to catch potential errors such as accessing memory beyond the allocated space for an array. Compilation, on the other hand, is the process of translating source code into machine code or bytecode, and it does not involve runtime checks like bounds checking. Therefore, the correct answer is False.

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  • 9. 

    To get the number of characters in a string, you could use the ________ function or the ________ function.

    Correct Answer
    size
    length
    Explanation
    To get the number of characters in a string, you could use the size function or the length function. Both functions can be used to determine the length of a string. The size function returns the number of characters in the string, while the length function also includes any whitespace characters. Therefore, either of these functions can be used to obtain the desired result.

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  • 10. 

    Objects are entities that combine data and functions.example:  ship.energyexample: ship.fireWeapons() A data element of an object is called what?

    Correct Answer
    data member
    Data Member
    Data member
    Explanation
    In object-oriented programming, a data element of an object is referred to as a data member. It is a variable that holds data specific to each instance of the object. Data members are used to represent the state or characteristics of an object. They can be accessed and modified using the object's methods or functions. In the given example, "ship.energy" represents a data member that holds the energy level of the ship.

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  • Current Version
  • Feb 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 19, 2010
    Quiz Created by
    Rmyers
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