Definition

Noun: * A piece of electronic equipment connected to and controlled by a computer's central processing unit (CPU), typically via a cable or wireless connection. It is used to input data into the computer or to output data from it. A peripheral device expands the computer's capabilities but is not part of the core computer architecture (the CPU and main memory).

Examples of Usage

• Noun:
  • The most common peripheral devices include keyboards, mice, and monitors.
  • Before installing the new printer, ensure the peripheral device is compatible with your operating system.
  • He connected several peripheral devices, such as an external hard drive and a webcam, to his laptop.

Advanced Usage

• "To be considered a peripheral": To be classified as non-essential external hardware.
  • While internal components are crucial, an external scanner is considered a peripheral.
• In technical contexts, peripherals are often categorized as input devices (e.g., keyboard, scanner), output devices (e.g., monitor, printer), or input/output devices (e.g., external storage, network card).

Variants and Related Words

• Peripheral (n): A common shortened form of "peripheral device."
  • Disk drives and printers are important peripherals.
• Peripheral (adj): Describes something of secondary or minor importance, or located on the edge or periphery.
  • That issue is peripheral to our main discussion. (This is the general, non-computing meaning.)

Synonyms

• Ancillary device: A device providing necessary support to the primary system.
• Auxiliary equipment: Additional equipment that assists the main unit.
• I/O device (Input/Output device): A more specific technical term for peripherals that handle data transfer.

Related Phrases

• To interface with a peripheral: To connect and communicate with a peripheral device.
  • The software must be able to interface with the peripheral correctly.
• Peripheral connectivity: The means by which peripherals are connected (e.g., USB, Bluetooth).
  • Modern laptops offer various options for peripheral connectivity.

Noun

1. (computer science) electronic equipment connected by cable to the CPU of a computer
   • disk drives and printers are important peripherals