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.
People who drink large quantities of tonic water or who have health problems that could be potentiated by quinine should be aware of possible side effects, including visual disturbances. Quinine can also cause hypoglycemia, confusion, rash, seizures, nausea, hearing disturbances, vision changes, chest pain or bleeding.