HardwaredevicesthatarenotpartofthemaincomputersystemandareoftenaddedlatertothesystemarecalledperipheralsPeripheralsareexternaldevicesthatcanbeconnectedtoacomputersystemtoextenditsfunctionalityorprovideadditionalfeaturesSomeexamplesofperipheralsincludeprintersscannersexternalharddrivescamerasmicrophonesandspeakers