Natural allergy remedies and treatments are nothing to sneeze at â some may enhance or even take the place of allergy medications.
A trackpad, also seen spelled track pad, is a user interface which interprets pressure and translates it into movement of a cursor. Laptops are commonly equipped with trackpads, and many drawing tablets and personal digital assistants (PDAs) use the same technology.
Track Ball. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a. mouse. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Since the whole device is not moved, a track ball requires less space than a mouse. A track ball.