how much memory space does an integer occupy ...

Question

Hello, I want to know how much memory space an integer, a real number, and a character occupy? Thank you in advance.

diddy_19 · Accepted Answer

Thank you Fiat, can it be in memory case? If yes, can you give me the answer? Thanks a lot.

Fiat Lux · Answer

it's unfortunately variable depending on the compiler and the platforms
a char => from 1 to 2 bytes
an integer => from 1 to 4 bytes, maybe 8
a float => from 4 to 10 bytes

some languages offer a sizeof() function. try to see on your compiler if such a feature exists.

Fiat Lux · Answer

I don't know how much one of your memory cells is. I'll let you do the conversions: 1 byte = 8 bits.

diddy_19 · Answer

Merci, on sait qu'un caractère = 1 octet (8 bits) et un mot mémoire = 32 bits, alors pour un caractère, c'est 1 octet. Je veux savoir pour une variable : ça peut être 1 ou 2 octets, ça dépend de cette variable, et pour un entier, c'est la même chose, est-ce que c'est juste ou non ? Merci d'avance.

docter bob · Answer

les variables int are encoded on 32 bits (4 bytes) and doubles on 64 bits

How much memory space does an integer occupy ...

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