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Computer peripherals encompass the external devices and components that expand a computer's functionality beyond its core capabilities. These peripherals facilitate interaction between users, data storage, and connectivity to other systems, making them essential to modern computing. They can be categorized into input, output, and storage devices. Input devices include keyboards, mice, scanners, and microphones, enabling user input and control. Output devices such as monitors, printers, and speakers transform digital data into visual, auditory, or physical forms for users to consume. Data storage devices like hard drives, solid-state drives, and flash drives provide means to save, retrieve, and share information. Serial ATA (Advanced Technology Attachment) cables are a type of peripheral connection that enables high-speed data transfer between devices and the computer system. Computer peripherals are integral to electronics and computers, as well as computer accessories, since they enhance user experience, productivity, and connectivity in today's digital world.