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.
These include if you have recently traveled to a country with high rates of malaria, if you are feeling ill or have a fever, or if you are anemic. However, cigarette smoking is not usually a reason to be disqualified from donating blood (unless it is raising your blood pressure very high, which it sometimes does).