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.
If you smoke right after donating blood, you'll increase your risk of fainting or becoming dizzy, warns BioLife Plasma Services. Therefore, you should wait at least 30 minutes after donating blood to smoke a cigarette, advises the Gulf Coast Regional Blood Center.moking. The American Red Cross and other major blood-bank institutions generally don't prohibit you from smoking cigarettes before donating blood. But some blood banks advise that you not smoke immediately after giving blood.