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.
Donor Safety. Donating blood is a safe and easy process which gives you the chance to change lives. 1  It is not possible to get AIDS or other infectious disease by giving blood. 2  A brand new, sterile, disposable needle is used for each blood donation.3  Once used, the needle is discarded. You can only donate if your health history permits and you feel well. 2  You are asked general health questions and are given a mini physical â temperature, pulse, blood pressure and hemoglobin are checked â prior to donation to ensure that you are feeling well and that it is safe for you to give blood.