peripheral

Adjective
  1. On or near an edge or constituting an outer boundary;
    The outer area (synset 300332344)
    "Russia's peripheral provinces"; "peripheral suburbs"
    similar to:
  2. Related to the key issue but not of central importance (synset 301863683)
    "a peripheral interest"; "energy is far from a peripheral issue in the economy"; "peripheral issues"
    similar to: incident, incidental - (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
Noun
  1. Electronic equipment external to the circuit board that contains the CPU of a computer (synset 103922839)
    "disk drives and printers are important peripherals"
    referred to in: computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
    is a type of: electronic equipment - equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
    subtypes:
    • data input device, input device - a device that can be used to insert data into a computer or other computational device
    • output device - electronic or electromechanical equipment connected to a computer and used to transfer data out of the computer in the form of text, images, sounds, or other media
    • printer - (computer science) an output device that prints the results of data processing
    is a part of: computer, computing device, computing machine, data processor, electronic computer, information processing system - a machine for performing calculations automatically
    same as: computer peripheral, peripheral device

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