Path: utzoo!attcan!uunet!know!zaphod.mps.ohio-state.edu!usc!apple!agate!pasteur!sprite.berkeley.edu!shirriff From: shirriff@sprite.berkeley.edu (Ken Shirriff) Newsgroups: comp.arch Subject: Re: Porting OSes Keywords: Genetics Message-ID: <9133@pasteur.Berkeley.EDU> Date: 21 Nov 90 20:16:50 GMT References: <41894@eerie.acsu.Buffalo.EDU> <272cdde6.7069@petunia.CalPoly.EDU> <1990Nov21.042907.20211@actrix.co.nz> <1990Nov21.185727.22338@Think.COM> Sender: news@pasteur.Berkeley.EDU Reply-To: shirriff@sprite.berkeley.edu (Ken Shirriff) Organization: University of California, Berkeley Lines: 12 In article <1990Nov21.185727.22338@Think.COM> barmar@think.com (Barry Margolin) writes: > Nucleotide bases are probably more like digits; in this case, most computers > are more "reduced" than genes, because they use only two digits while genes > use four. The "opcodes" in DNA use three bases, so they're effectively 12 > bits long, which is more than the opcode size of most older microprocessors. DNA triples (opcodes) are equivalent to 6 bits (2 bits per base pair), not 12. By your reasoning, the 8080 has 8 binary digits with 2 values each, making it a 16 bit processor :-) Ken Shirriff shirriff@sprite.Berkeley.EDU "Let no one enter who does not know geometry."