Q:

How to set a particular bit in C?

belongs to collection: Interview questions on bitwise operators in C

YasminRadwan26

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2022-06-24

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How to set a particular bit in C?

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YasminRadwan26

2022-06-24

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Answer:

Setting a Bits

Bitwise OR operator (|) use to set a bit of integral data type.”OR” of two bits is always one if any one of them is one.

An algorithm to set the bits

Number | = (1<< nth Position)

A simple program to set a bit:

#include <stdio.h>
int main(int argc, char *argv[])
{
    unsigned char cData=0x00;
    int iPos =0;
    printf("cData = 0x%x\n\n",cData);
    printf("Enter the position which you want set = ");
    scanf("%d",&iPos);
    //Set the nth bit.
    cData|=1<<iPos;
    //Print the data
    printf("\n\n%dth Bit Set Now cData will be = 0x%x\n",iPos,cData);
    return 0;
}

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