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.
A American Red Cross answered. If you have asthma, you may donate blood as long as you are not having difficulty breathing at the time of donation and you otherwise feel well. Medications for asthma do not disqualify you from donating. Guidelines on eligibility to give blood change from time to time.