Browse Lemmas
18 lemmas found
battery
a device that stores chemical energy and provides electrical power to a circuit; a group of one or more electrochemical cells (e.g., AA batteries)
calculator
A device used to perform mathematical calculations, usually electronic and portable.
charger
A device used to restore electrical energy to a rechargeable battery or battery-powered device.
computer
an electronic device that processes data according to a set of instructions, used for work, communication, and entertainment
headphones
A pair of small loudspeakers worn over or in the ears to listen to audio privately.
photo camera
A device for capturing still photographs using a light-sensitive sensor or photographic film.
printer
a machine that produces text or images on paper or other media from digital data
radio
a device for receiving and transmitting sound programmed broadcasts over electromagnetic waves; (also) the system of broadcasting and receiving audio ...
speaker
a device that converts electrical audio signals into sound that can be heard; a loudspeaker
television
a device that receives broadcast or recorded visual and audio signals and displays them as moving images and sound; also the system of broadcasting pr...
video camera
A device for recording moving images and sound onto a storage medium.
laptop
a portable personal computer with a screen, keyboard, and battery, designed to be used on the go
microphone
a device that converts sound waves into electrical signals for recording or amplification
telephone
an electronic device used for voice communication over long distances, converting sound into electrical signals and back
screen
the flat surface of an electronic device on which images or data are displayed