S: (n) beeper, pager (an electronic device that generates a series of beeps when the person carrying it is being paged)
S: (n) 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)
S: (n) dongle ((computer science) an electronic device that must be attached to a computer in order for it to use protected software)
S: (n) doubler (an electronic device that doubles the voltage or the frequency of an input signal)
S: (n) generator (an electronic device for producing a signal voltage)
S: (n) hearing aid, deaf-aid (an electronic device that amplifies sound and is worn to compensate for poor hearing)
S: (n) logic element (an electronic device that performs an elementary logic operation)
S: (n) mouse, computer 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 device is a ball that rolls on the surface of the pad) "a mouse takes much more room than a trackball"
S: (n) multiplexer (a device that can interleave two or more activities)
S: (n) readout, read-out (an electronic device the displays information in a visual form)
S: (n) repeater ((electronics) electronic device that amplifies a signal before transmitting it again) "repeaters can be used in computer networks to extend cabling distances"
S: (n) system clock (an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components)
S: (n) 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"