Sign magnitude, one's complement, two's complement
cube1 at charter.net
Sat Aug 22 16:40:54 CDT 2015
Univac 1100 series - one's complement.
On 8/22/2015 4:23 PM, Sean Conner wrote:
> For my own morbid curiosity, and because it came up on another mailing
> list I'm on , what machines commercially avaialble were sign magnitude
> and one's complement? Every machine I've encountered was two's complement
> (okay, IEEE 754  is a sign magnitude format but I'm talking about integer
> implementations here, not floating point). I've only found reference to one
> sign magnitude computer (the IBM 7090, release in 1959) and a few one's
> complement machines (mostly the PDP series from DEC).
> Where there others? And honestly, are there any machines that use
> anything other than two's complement today?
>  http://lua-users.org/lists/lua-l/2015-08/msg00386.html
>  AKA floating point.
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