Why do laptops have a touchpad

Touchpad is part of each notebook parts, it is built into the notebook equivalent of an external mouse and mouse pad. It takes up very little space, and allows the user to control the cursor on the screen. At the same time it also allows control of an external mouse on the computer screen.

The movements that are offered by a laptop touchpad can also be completed through the use of several keystrokes; however, keystrokes can be time consuming and difficult to remember.As a result of the difficulty of keystrokes, the touchpad was created for laptop and notebook users. The first touchpads were created in the 1990s, and the technology of the laptop touchpad has been advancing since then.

As a pointing device a laptop touchpad is a relative motion device. Like all relative motion devices a notebook touchpad translates user movements. It is made specifically to sense the movement of a finger, and it will not sense the movements of other objects. A touchpad's movements are shown on the computer screen through the motion of the cursor. In fact, the cursor will move at the same rate as the user's finger moves on the laptop touchpad.

A touchpad can vary in size. It depends on the brand and model of the computer. Size is not the only factor that can vary on a pad. There are also accessories and extra features. Some laptop pads have buttons for left and right clicking, while others do not. Besides buttons a touchpad's features can be different from model to model. A laptop pad can have a section for onscreen scrolling and other specialized movements.

The laptop touchpad was designed as a mouse and mouse pad, crowds cross an external mouse and mouse pad will still choose to use an external mouse and mouse pad, and for outdoor crowd carrying computer, you usually use the touchpad. In such societies, external mouse and touchpad also was used.