C Programming-Structure and Union

C Programming-Structure and Union
11. The changes made in the members of a structure are available in the calling function if
  • pointer to structure is passed as argument
  • structure variable is passed
  • the members other than pointer type are passed as arguments
  • both options a and c
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12. Identify the wrong statement.
  • Structure variable can be passed as argument
  • Pointer to structure can be passed as argument
  • Member variable of a structure can be passed as argument
  • None of the above
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13. Union is
  • A special type of structure
  • a pointer data type
  • a function data type
  • not a data type
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14. The restriction with union is
  • The last member can only be initialized
  • The first member can only be initialized
  • Any member can be initialized
  • Union cannot be initialized
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15. Union differs from structure in the following way
  • All members are used at a time
  • Only one member can be used at a time
  • Union cannot have more members
  • Union initializes ass members as structure
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16. Identify the correct statement
  • Unions can be members of structures.
  • Structures can be members of unions.
  • Both options a and b
  • Union can contain bit field
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17. What is not possible with union ?
  • Array of union
  • Pointer to union
  • Self-referential union
  • None of the above
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18. Structure is used to implement the data structure.
  • stack
  • queue
  • tree
  • all the above
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19. The nodes in a linked list are implemented using
  • self-referential structure
  • nested structure
  • array of structure
  • ordinary structure
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20. Identify the wrong statement.
  • An array is a collection of data items of same data type.
  • An arrry declaration reserves memory space and structure declaration does no reserve memory space.
  • Array uses the key word array in its doclaration.
  • A structure is a collection of data items of different data types
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