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  1. Peripheral Definition - What is a computer peripheral?

    Oct 4, 2022 · A peripheral is any external device that connects to a computer for input or output. A peripheral connects either physically or wirelessly, and it is controlled by the computer when connected.

  2. 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 …

  3. 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 …

  4. Peripheral device | Definition & Examples | Britannica

    Nov 11, 2025 · 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 kinds: input …

  5. 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.

  6. Computer Peripheral Devices and Their Functions Explained

    Jun 14, 2025 · A computer system can function without peripheral devices but it cannot function without core components. Examples of core components are CPU, motherboard, power supply, RAM, and …

  7. Peripherals Devices in Computer Organization - GeeksforGeeks

    Jul 11, 2025 · A peripheral device is any external device connected to a computer that adds functionality but is not part of the core computer system. These devices typically handle input, output, or both, …