▁word ▁length ▁( bits ): ▁ 1 1 ▁or ▁ 2 4 ▁( double ▁precision ) ▁Inst ruction ▁word ▁length ▁( bits ): ▁ 2 4 ▁Binary ▁digits / word : ▁ 2 7 ▁Inst ru ctions / word : ▁ 1 ▁Inst ruction ▁type : ▁One ▁and ▁half ▁address ▁ ▁Number ▁of ▁instructions : ▁ 3 9 ▁types ▁from ▁a ▁ 4 - bit ▁op ▁code ▁by ▁using ▁five ▁bits ▁of ▁the ▁oper and ▁address ▁field ▁for ▁instructions ▁which ▁do ▁not ▁access ▁memory . ▁ ▁Exec ution ▁times : ▁Add ▁( m icro seconds ): ▁ 7 8   1 / 8 ▁Mult ip ly ▁( µ s ): ▁ 5 4 6   7 / 8 ▁ ▁or ▁ 1 , 0 1 5   5 / 8 ▁( double ▁precision ) ▁Div ide : ▁( software ) ▁( Note : ▁Par allel ▁processing ▁such ▁as ▁two ▁simultane ous ▁single ▁precision ▁operations ▁is ▁permitted ▁without ▁additional ▁execution ▁time .) ▁ ▁C lock ▁channel : ▁ <0x09> 3 4 5 . 6   Hz ▁ ▁Address ing : ▁Direct ▁address ing ▁of ▁entire ▁memory ▁Two - address ▁( un flag ged ) ▁and ▁three - address ▁( flag ged ) ▁instructions ▁ ▁Memory : ▁Word ▁length ▁( bits ): ▁ <0x09> 2 4 ▁plus ▁ 5 ▁timing ▁Type : ▁ <0x09> <0x09> <0x09> F err ous - ox ide - co ated ▁N D RO ▁disk ▁Cy cle ▁time ▁( µ s ): ▁ <0x09> 7 8   1 / 8 ▁(