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Keyboards are essential input devices that facilitate interaction between users and electronic systems, such as computers, smartphones, and other digital devices. They typically consist of a set of keys arranged in a specific layout, each associated with a unique character or function. In the context of electronics and computer accessories, keyboards serve as primary input tools for typing, command execution, and data entry. They come in various forms, including wired and wireless models, mechanical and membrane types, and even ergonomic designs to promote comfort and efficiency during use. As an integral part of a computer setup, monitors often accompany keyboards to display the output generated by user inputs. In the realm of smartphones, virtual on-screen keyboards have become prevalent, while external physical keyboards are also available for enhanced typing experiences. Overall, keyboards bridge the gap between human and machine communication, playing a pivotal role in the digital world.