arithmetic-logic unit (ALU) An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).
Can you donate blood if you smoke or have smoked marijuana? For those of you who did not come here to read a lengthy discussion of this topic, the answer is yes. It is perfectly fine for someone who has smoked or even regularly smokes marijuana to donate blood.
Report Abuse. i used to smoke and donate plasma regularly (not at the same time but in the week). they don't care. they only care about stuff like your heart rate and your iron content and things like that.also, if you have any sort of blood borne disease you can't donate.est Answer: It will not show up. They wont even check for it. The worst case scenerio if they do find it they can not legally do anything to you or tell anyone else. second hand smoke is probably not enough to even show up on a drug test. quit worrying.