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.
So I stopped for 6 months, and finally, it came back as non-smoker.. so even if you only smoke 2 cigarettes a day and quit for 3 months it will still show up in your blood! Blood gasses can point strongly toward smoking. A blood count can indicate a heavy smoker because their hemoglobins tend to be elevated.