< 9 (Texas 99/4, 990/10, TMS 9900) the ti machines were all 16bit. < 86 (Intel Docet again) ???? Intel has done 2(bitslice), 4, 8, 16, and 32. 1bit Moto 14500 (actually 1bit data and 4 bit control word) 4bit ti1000, NEC uCOM4, NEC 75xx series, 4004, 4040 all had 4 bit data paths but the instruction words were 8bit! 22bit Perkin Elmur 60bit CDC 64bit DEC Alpha Allison