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Keyboards are essential input devices used to interact with electronic systems, particularly computers and computer peripherals. They serve as the primary interface for data entry, allowing users to type letters, numbers, symbols, and commands with precision and efficiency. Keyboards come in various forms, from traditional desktop models to compact portable versions, each designed to cater to specific user needs. At their core, keyboards consist of a matrix of switches connected to a controller that interprets key presses as electrical signals. These signals are then transmitted to the computer system for processing, enabling users to perform tasks, create documents, and control software applications. In essence, keyboards are an indispensable tool for communication, productivity, and creativity in today's digital landscape.