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what is the difference between arithmetic shift and logical?

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difference between logical and arithmetic shift

what is the difference between arithmetic shift and logical shift?

What is the advantage and disadvantage concerned to both?
Does anybody know?
 

difference between arithmetic and logical shift

logical shift: 0 is shifted in
arithmetic shift: the sign is preserved
 
arithmetic shift and logical shift

do you mean the << or >> shiftin?

yes absolutly .. like logical shift, shifts the number of bits..but arithmetic -> as such does it with sign preservation..

like 7>>3 means .. 7*2^3 = 56.
7<<3 = 7/(2^3) = 1;

this is how its done as far as i am concern.

with regards,
arun
 
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