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.
Happily, the low dose of quinine found in a glass or two of tonic water isn't enough to trigger these issues in most people. However, for the unlucky few, even the small amount of quinine in tonic water can cause thrombocytopenia (doctors call this rare occurrence a gin and tonic purpura).