A laptop is a portable computer that combines the features of a desktop computer with the convenience of being lightweight and easy to carry. It has a built-in screen, keyboard, and battery, allowing users to work or play games anywhere. Laptops are popular among students, professionals, and travelers because they can be used for tasks like browsing the internet, writing documents, or watching movies. Most laptops come with various features, such as a touchpad for navigation and multiple ports for connecting devices like printers or external hard drives. They run on operating systems like Windows, macOS, or Linux, making them versatile for different users' needs.