C Structures

Which of the following are themselves a collection of different data types?

• String

• Struct

• char

• all

Which operator connects the structure name to its member name?

• -

• =

• .

• >>

Which of the following cannot be a structure member?

• another structure

• array

• Function

• None

Which of the following structure declaration will throw an error?

• struct temp{ } s;

  main(){}

• struct temp{ };

  struct temp s;

  main(){ }

• struct temp s;

  struct temp{ };

  main(){ }

• None

What is the output of this C code?

void main()

{

struct student

{

int no;

char name[20];

};

struct student s;

s.no = 8;

printf("%d", s.no);

}

• Nothing

• Compile error

• 8

• Junk

Size of a union is determined by size of the.

• First member in the union

• Last member in the union

• C. Biggest member in the union

• Sum of the sizes of all members

Assuming size of long int is 4 bytes, what will be the output for:

typedef long long int L = 24;

printf("Size of long long int is :");

printf("%d",sizeof(L));

• 24

• 4

• 8

• Error

What will be the output

• Name:

  Subject:

  Percentage: 86.50000

• Name:Raju

  Subject:

  Percentage: 86.50000

• Name: Raju

  Subject: Maths

  Percentage: 86.50000

• Error

Memory allocated for structure members are always contigious

• True

• False

What do you understand by:

void update(struct student *s);

• update is a function that takes an argument as pointer to structure variable and returns nothing

• update is a method that takes structure type variable as parameter

• Error, we cannot pass structure variable as pointer to a function

• update takes pointer argument but it cannot return void