CPU Architecture. The processor (really a short form for microprocessor and also often called the CPU or central processing unit) is the central component of the PC. This vital component is in some way responsible for every single thing the PC does.
A. Stop the tonic water! Quinine gives tonic its distinctive bitter flavor but it can cause tinnitus, especially at high doses. Hopefully the hissing sound will gradually go away once the quinine is out of your system.
Modern tonic water still has quinine, but the typical formulation is sweeter and more diluted. The purpose now is to help gin get down the throat more easily, so the tables have been turned. Tonic water is one of the few drinks that were once medicines that people now consume just for the purpose of taste. Quinine does have some side effects that make it questionable to use as a primary medicine, though.