Tablets are portable devices that have a larger display screen than a mobile phone and typically run on a mobile operating system such as iOS or Android. They are designed for various uses such as browsing the internet, playing games, watching videos, and creating and editing documents. They are often compared to laptops, as they can also provide similar functionality but with a more portable and lightweight form factor. Tablets can be classified into different types depending on their screen size, processing power, and operating system.