An icon displayed in the web browser to indicate a secure mode when communications between browser and web server are encrypted.

A sequence of numbers used to gain access to online accounts or systems.

A secret word or combination of characters used to gain access to online accounts or systems.

An American company that operates a worldwide online payment system.

A personal computer that can fit on a single desk. Designed for use by one person at a time.

(portable document format)

This format is used to save files that cannot be modified but need to be easily shared and printed.

A piece of computer hardware that is added to a computer to expand its abilities. For example, a keyboard or a printer.

A fraudulent attempt at obtaining personal and sensitive information through deceptive emails and websites.

(personal identification number)

A numeric password used for authentication and access.

An electrical cable that connects an appliance to the mains electricity supply via a wall socket or extension.

An output device that prints paper documents, including text, images or both.

Information about a person or organisation. A Facebook Profile/Timeline refers to an individual’s personal account where they can post updates, upload photos and share videos.

A computer available for people to use in a public area. For example, a library or a school.