Why does a float variable stop incrementing at number ‘16777216’ in the following C# code? - C# MCQs

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Ravi Chauhan • 9.28K Points
Tutor III

Q. Why does a float variable stop incrementing at number ‘16777216’ in the following C# code?

Code:

float a = 0 ;
 while (true)
 {
     a++;
     if (a > 16777216)
     break;
 }

(A) Sign and Exponent for ‘16777217’ is same as for ‘16777216’

(B) Mantissa is different for ‘16777216’ and ‘16777217’

(C) Sign and Exponent for ‘16777217’ is different from ‘16777216’

(D) None of the mentioned

Correct answer: Option(B)

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