Control Structures and Variables in Programming
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Questions and Answers

What is the purpose of a data type in programming?

  • To determine the number of bytes required in memory
  • To determine the kind of operations that can be performed on a variable (correct)
  • To specify the address in physical storage where the value is stored
  • To identify a variable's name
  • Why is using classes preferred over C-style structs?

  • Classes follow the principle of least privilege, enhancing software engineering practices (correct)
  • Classes have less flexibility in terms of member functions
  • Classes do not support encapsulation like structs do
  • Classes offer less control over member access compared to structs
  • What is the function of global functions in C++?

  • To enable them to be called from any function or class in the program (correct)
  • To restrict their usage within a specific class
  • To limit their accessibility to the main function only
  • To allow them to be called from a static member function
  • How are member functions different from global functions?

    <p>Member functions are defined within a class and can be called on an object of that class</p> Signup and view all the answers

    What is the purpose of function declaration in C++?

    <p>To indicate the returning values of a function</p> Signup and view all the answers

    Why are return values important in programming?

    <p>They are used to indicate success or failure of a function's execution</p> Signup and view all the answers

    How do correctly designed functions use abstraction?

    <p>By keeping their functionality hidden from other parts of the program</p> Signup and view all the answers

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