17A biometric device identifies people using:ASmart cardsBBarcodesCPasswordsDPhysical traits like fingerprintsView AnswerDiscussWorkspaceReportSaveEasy
18Which device reads magnetic stripes on debit cards?AOMRBLight penCOCRDMagnetic stripe readerView AnswerDiscussWorkspaceReportSaveMedium
19A touch screen is:ABoth an input and an output deviceBOnly an input deviceCOnly an output deviceDA storage deviceView AnswerDiscussWorkspaceReportSaveEasy
20A webcam is a(n):AOutput deviceBInput deviceCProcessing deviceDStorage deviceView AnswerDiscussWorkspaceReportSaveEasy