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  1. Peripheral Definition - What is a computer peripheral?

    Oct 4, 2022 · A peripheral connects either physically or wirelessly, and it is controlled by the computer when connected. Peripherals may also be called "I/O devices" or simply "accessories."

  2. Peripheral - Wikipedia

    A peripheral device, or simply peripheral, is an auxiliary hardware device that a computer uses to transfer information externally. [1] A peripheral is a hardware component that is accessible to and …

  3. What Is a Peripheral Device? (Peripheral Definition) - Lifewire

    May 18, 2023 · A peripheral device, like a keyboard, hard drive, mouse, etc., connects to the computer, either internally or externally.

  4. What Is a Peripheral? - Computer Hope

    Jun 14, 2025 · Alternatively called an auxiliary device, a peripheral is a hardware input device or output device that gives a computer additional functionality. Peripheral devices are not essential for the …

  5. Peripheral device | Definition & Examples | Britannica

    Jan 28, 2026 · Peripheral device, device used to enter information into a computer or deliver processed data to a human or another machine. Peripherals are commonly divided into three …

  6. Peripheral Devices Explained: Functions, Types, and How They ...

    Jul 1, 2025 · Essentially, a peripheral device is any external component that connects to a computer to provide input, output, or storage capabilities. They are not part of the computer’s core …