C - Structures

Which of the following operation is illegal in structures?

• Typecasting of structure

• Pointer to a variable of same structure

• Dynamic allocation of memory for structure

• All of the mentioned

What is the size of a C structure?

• C structure is always 128 bytes

• Size of C structure is the total bytes of all elements of structure

• Size of C structure is the size of largest element

• None of the above

Which operator connects the structure name to its member name?

• -

• .

• /

• \

Which of the following cannot be a structure member?

• Another structure

• Array

• Function

• None of the mentioned

Number of bytes in memory taken by the below structure is?

struct test

{

int k;

char c;

};

• Multiple of integer size

• integer size+character size

• Depends on the platform

• Multiple of word size

Size of a union is determined by size of the

• Biggest member in the union

• First member in the union

• Last member in the union

• Sum of the sizes of all members

A C structure or User defined datatype is also called ________.

• Derived data type

• Secondary data type

• Aggregate data type

• All the above

Members of a union are accessed as_____________.

• union-name.member

• union-pointer->member

• Both a & b

• None of the mentioned

Choose a correct statement about C structures

• Structure elements can be initialized at the time of declaration

• Structure members can not be initialized at the time of declaration

• Only integer members of structure can be initialized at the time of declaraion

• None of the above

What is the output of C program?

#include <stdio.h>

int main()

{

structure hotel

{

int items;

char name[10];

}a;

strcpy(a.name, "TAJ");

a.items=10;

printf("%s", a.name);

return 0;

}

• TAJ

• Empty string

• Compiler error

• None of the above