Samuel Davis Book p345? (1 Viewer)

[Kamz]

p345, Q3. The 8 bit two's complement of 45 is:

(A)00110111
(B)00111000
(C)11001001
(D)11001000


whats the answer, i cant get the answer and i have a feeling its really easy thing that i missing? anyone that can help?

 

[SamD]

The question says 55 not 45, so the answer is A.

(I'm not sure, but perhaps there was a misprint in the first print run, and you've got one of these books).

 

[SamD]

Just checked an old copy, and 45 was printed. It should be 55.

 

[Kamz]

yeah 55 makes sense, ok so it wasnt me lol

Thanks very much for your help SamD