Answer:
A touchpad, also known as a trackpad, is an input device commonly found on laptops and some desktop computer keyboards. It is a rectangular or square pad usually located below the keyboard or in front of it. The touchpad allows the user to control the cursor or pointer on the screen by moving their finger or fingers across its surface.
The touchpad has a sensor that detects the movement of the user's finger and translates it into movement on the screen. It also typically includes one or more buttons that can be used to perform actions such as selecting, dragging, or scrolling.
Many touchpads support multi-touch gestures, allowing the user to perform more complex actions by using two or more fingers simultaneously, such as pinch-to-zoom, swiping, or rotating. Touchpads have largely replaced the traditional trackball and pointing stick as the primary means of cursor control on laptops and other portable computing devices.