personal computer and online gaming are gaining popularity around the world . typically players use pc input devices such as keyboards and mice for playing pc games . many of the modern pc games use a control scheme commonly known as the “ wasd / mouse ”, which is a combination of the “ wasd ” keys of the keyboard and the mouse as means for interacting with the pc games . additionally , to further expand on game control functions , modifier keys are used in conjunction with other keyboard keys to serve as shortcut keys for activating such game control functions . however , due to the non - ergonomic positioning of the shortcut keys , players often suffer from wrist discomfort after pc game playing sessions due to increased strain placed on their wrists when using the shortcut keys frequently . an embodiment of the invention describes a system and method for switching processes selectable by keys on human interface devices .