a pair of padded speakers which you wear over your ears in order to listen to a radio or recorded music, or for using a phone without other people hearing it

to enter identifying data, as a name or password, into a multiuser system, so as to be able to do work with the system

a portable device that can store electricity for charging phones, cameras, laptop computers

a program that introduces itself into a system, altering or destroying the information stored in the system

a small flat computer that you operate by touching the screen

a computer network which allows computer users to connect with computers all over the world, and which carries email

to transfer data or software to your computer or phone from another device or from the internet

a device used to make batteries or accumulators restore their capacity and work again

a website that allows subscribers to interact, typically by requesting that others add them to their visible list of contacts, sharing posts, photos and videos, texting private messages etc.

a secret word, phrase, etc, that ensures admission or acceptance by proving identity

a technology that allows to use the internet without being connected with a wire, wireless internet connection

a book which tells you how to do something or how a piece of machinery works

a device orbiting around the earth, moon, or another planet transmitting to earth scientific information or used for communication