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.
Quinine, a chemical extract from the bark of Peru's cinchona tree, is the active ingredient in tonic water. When India was part of the British Empire, tonic water was the preferred method of delivering the malaria-fighting protection of quinine to British troops and colonials.