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Bit Operations using Structure !!!

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1. To pack Several data objects in the single memory word , Bits are used .
2. Flags can be In order to store the Boolean values ( T / F ).
3. Eg. Gender of Person can be stored as [M/F] .
4. By Setting the flag bit 1 we can set Gender as "Male" and "Female" by setting bit as 0
5. A method to define a structure of packed information is known as bit fields.

Syntax :

struct databits
{
int b1 : 1;
int b2 : 1;
int b3 : 1;
int b4 : 4;
int b5 : 9;
}data1;

How to access the Individual Bits ?

data1.b1
data1.b2
data1.b3
data1.b4
data1.b5

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How to initialize Structure ?

struct databits
{
- - -
- - -
}data1 = { 1,1,0,10,234 };

Initialized Result -

data1.b1 = 1
data1.b2 = 1
data1.b3 = 0
data1.b4 = 10
data1.b5 = 234

Diagram :

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Tags / Keywords : | Bit manipulation, structure, structure and Bits

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