answering machine - an electronic device that answers the telephone and records messages

beeper, pager - an electronic device that generates a series of beeps when the person carrying it is being paged

defibrillator - an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation

device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"

display - an electronic device that represents information in visual form

display adapter, display adaptor - (computer science) an electronic device that converts information in memory to video output to a display

dongle - (computer science) an electronic device that must be attached to a computer in order for it to use protected software

doubler - an electronic device that doubles the voltage or the frequency of an input signal

generator - an electronic device for producing a signal voltage

deaf-aid, hearing aid - an electronic device that amplifies sound and is worn to compensate for poor hearing

logic element - an electronic device that performs an elementary logic operation

computer mouse, mouse - a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the mouse is a ball that rolls on the surface of the pad; "a mouse takes much more room than a trackball"

multiplexer - a device that can interleave two or more activities

artificial pacemaker, pacemaker - an implanted electronic device that takes over the function of the natural cardiac pacemaker

PDA, personal digital assistant, personal organiser, personal organizer, organiser, organizer - a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc.

repeater - (electronics) electronic device that amplifies a signal before transmitting it again; "repeaters can be used in computer networks to extend cabling distances"

digital scanner, image scanner, scanner - an electronic device that generates a digital representation of an image for data input to a computer

system clock - an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components

trackball - an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen; "a trackball is essentially an upside-down mouse"

electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, vacuum tube, tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope