to put electricity into a piece of equipment such as a battery so that it is stored there (verb) c___________

to enter your password when you start using a computer or a website (phrasal verb) l________ _______

a system for paying for calls on mobile phones by buying a fixed amount of time before you make the calls (noun/adjective) p___-____-_____-____

to move information on a computer or mobile phone screen down in order to read it (phrasal verb) s______ ______

the quality of the picture or sound that you receive on a television, radio, or mobile phone (noun) r___________

the choices you make on a computer or other device to decide the way things look and work (noun) s_________

to connect somebody by telephone (phrasal verb) p_______ somebody ________

to move your finger across the screen of a smartphone or tablet (verb) s________

a company that sells customers connectivity to customers for internet access and/or mobile phone data and telephone calls. This connectivity is usually purchased as a monthly subscription or as a pay-as-you-go service (noun) s______ p____

a phone connection that uses wires carried on poles or under the ground, in contrast to a mobile phone (noun) l__________

to remove a device from an electricity supply or from a connection with another device (verb) u____________

people whose details are saved on your phone or in your email address book (noun) c_________

high-speed access to the internet (noun) b________