The present invention relates to a computer for providing output to a user. The computer includes a processor and an input device in communication with the processor. The input device includes a feedback surface and at least one sensor in communication with the feedback surface, with the at least one sensor is configured to detect a user input to the feedback surface. The processor varies a down-stroke threshold based on a first factor and varies an up-stroke threshold based on a second factor. The down-stroke threshold determines a first output of the computing device, the up-stroke threshold determines a second output of the computing device, and at least one of the first factor or the second factor are determined based on the user input.