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.dsy:it. : Powered by vBulletin version 2.3.1 .dsy:it. > Didattica > Corsi A - F > Architettura degli elaboratori e delle reti > Esercizio virgola mobile e fissa
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Skeggia
.novellino.

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Esercizio virgola mobile e fissa

Ciao a tutti!

Dovrei convertire in decimale il seguente numero in virgola mobile standard IEEE 754:

11000011101010001000000000000001

E poi dovrei passarlo in virgola fissa sapendo che ho 10 bit per la parte intera e 22 per la parte frazionaria.


Grazie a presto.:D

24-09-2007 14:48
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Skeggia
.novellino.

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Ragazzi nessuno sa aiutarmi??:(

25-09-2007 10:11
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amar7
.simpatizzante.

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è cosi:

11000011101010001000000000000001,
<segno=1bit, esponente=8bit, mantissa=23bit>
decomponiamo secondo lo standard IEEE:
<1-10000111-01010001000000000000001>
segno=1= - (meno)
esponente=10000111=134-127=7
mantissa=1,01010001000000000000001=10101000,1=168,
5
quindi il risultato è -168,5

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amar7

26-04-2009 23:34
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