CPP253 Data Structures: Structures Quiz
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Questions and Answers

What is a structure in C++?

  • A type of loop used for iteration in C++
  • A keyword used to declare arrays in C++
  • A collection of variables under a single name, all of different data types (correct)
  • A collection of variables under a single name, all of the same data type

    • Which keyword is used to declare a structure in C++?

  • class
  • object
  • struct (correct)
  • typedef

    • What is the purpose of typedef declarations in C++ structures?

  • To initialize the members of a structure
  • To define multiple structures with the same name
  • To declare arrays of structures
  • To create new data types as aliases for existing ones (correct)

    • Which statement is true about arrays and structures in C++?

    <p>An array can store only information of the same data type, while a structure can store information of different data types</p> Signup and view all the answers

    What does a self-referential structure mean in C++?

    <p>A structure that refers to itself within its definition</p> Signup and view all the answers

    What does a typedef declaration look like in C++?

    <p>typedef (data_type) (alias_name)</p> Signup and view all the answers

    When declaring a structure in C++, what keyword is used?

    <p>struct</p> Signup and view all the answers

    If we have to define a structure for a student in C++, how can it be declared?

    <p>struct student { int r_no; char name; char course; float fees; }</p> Signup and view all the answers

    What does the 'typedef' keyword enable in C++?

    <p>Create a new data type</p> Signup and view all the answers

    In C++, how are variables declared at the time of structure declaration?

    <p>struct student { int r_no; char name; char course; float fees; } stud1, stud2;</p> Signup and view all the answers

    What happens when we precede a 'struct' name with the 'typedef' keyword in C++?

    <p>The struct and typedef become synonymous</p> Signup and view all the answers

    In C++, what is the general syntax to initialize a structure variable?

    <p>struct struct_name { data_type member_name1; data_type member_name2; } struct_var = {constant1, constant2};</p> Signup and view all the answers

    What does the following syntax represent in C++: struct student { int r_no; char name; char course; float fees; } stud1 = {1, "Aydin", "DS", 45000};?

    <p>Initialization of the student structure with specific values</p> Signup and view all the answers

    'Memory representation of a structure' refers to what in C++?

    <p>The physical layout and size of memory allocated for a structure</p> Signup and view all the answers

    'Each variable name within a structure is a member of the structure.' - This statement is true or false in C++?

    <p>True</p> Signup and view all the answers

    'Structure member names and name of the structure follow the same rules as for the names of ordinary variables.' - Is this statement true or false in C++?

    <p>'Structure member names and name of the structure' have identical naming rules in C++</p> Signup and view all the answers

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