Answer Posted / vishnu nayak

Union occupy same memory area for different members in a
union.
Same are is allocated for different data types of the
members of union
eg:
union
{
int a;
char c;
float f;
}temp;
Size of Float will be size of union.
same memory is used for char and int as well.
Advantages: Memory consumption is less.
Disadvanteges: if one of the member variable is updated the
it will be reflected in the remaining 2 variables.

Why string is used in c?

957

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1. Write a function to display the sum of two numbers in the following ways: By using (i) pass by value (ii) pass by address a. function with argument and with return value b. function with argument and without return value c. without argument , with return value d. without argument , without return value Note: Use pass by address.

2754

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What is difference between array and structure in c?

1095

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What does the function toupper() do?

1068

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What is function prototype?

1059

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Is stack a keyword in c?

1041

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What are linked lists in c?

1088

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Suggesting that there can be 62 seconds in a minute?

997

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What are multibyte characters?

1063

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What’s the special use of UNIONS?

1111

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Are negative numbers true in c?

1003

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What is #define size in c?

1122

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What are register variables in c?

979

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What does double pointer mean in c?

1081

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Can 'this' pointer by used in the constructor?

1047

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