Tablet computers are portable devices that combine the functionality of a laptop with the convenience and ease-of-use of a touchscreen interface. They typically feature a large, high-resolution display screen that allows users to interact with the device using their fingers or a stylus pen. Tablets run on an operating system such as Windows, iOS, or Android, and can be used for browsing the web, sending emails, streaming media, playing games, and running productivity applications. They are designed to be lightweight and easy to carry around, making them ideal for use on-the-go.