Difference between float and double in C

Answer 1

float has a size of 4 bytes.
double has a size of 8 bytes.

One more difference is that the float variable has lower precision of storing decimal point values when compared to double.

Answer 2

double is a short form for double-precision floating-point format. This is defined in IEEE-754 standard. float uses 32-bit of memory, double uses 64-bit of memory.

Answer 3

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