The OV2740 Camera Sensor is a type of image sensor developed by OmniVision. It is often used in various camera modules for devices like smartphones, webcams, laptops, and other imaging devices. The sensor itself is responsible for capturing images or video, but it needs a driver to allow the device's operating system to communicate with the camera hardware properly.

When it comes to Windows drivers for the OV2740 camera sensor, the driver typically provides the necessary software for the camera to work with your Windows-based system. These drivers enable functionality like video streaming, image capture, and the integration of the camera into software applications (such as Skype, Zoom, or any custom software).