Computing

Internet of Things (IoT)

A network of smart devices connected to the internet.

Cloud storage

A network of remote servers on the internet used to store and process data transmitted from IoT devices.

Digital footprint

The data that exists about you as a result of online interactions and activities.

Latency

The delay between a request being sent and the request being processed.

Gateway

A physical device or software program that is the connection for the cloud, sensors, and intelligent devices.

Pixel

Short for picture element; refers to the individual dots used to make up an image or display on a computer screen.

Read-only memory (ROM)

A non-volatile storage medium that does not require a constant source of power to retain the information stored on it.

Random access memory (RAM)

A volatile storage medium that loses any information it is holding when the power is turned off.

Real-time data

Data which is processed immediately after collecting.

Global positioning system (GPS)

A radio satellite-based navigation system that provides location details.

Wireframes

A drawing or graphic which displays the design of a screen in an app or program.

Algorithms

Allow the developer to specify on a step-by-step basis how the problem will be solved.

Target audience

The group of people at which the app or program is aimed.

User stories

A description of what the app will do from the user’s point of view.

General Data Protection Regulation (GDPR)

A law which protects the personal data and privacy of citizens.

Command line interface (CLI)

A user interface that requires the user to enter commands at a prompt to operate it.

Graphical user interface (GUI)

A user interface which makes use of windows, icons, menus, and pointers on a screen; it is suitable for inexperienced users.

Flowchart

A graphical representation of a solution to a problem which uses special symbols.

Accessibility

Providing features which will assist those who have impairments or disabilities.

Hyper Text Markup Language (HTML)

The language used to create documents which can be published on the world wide web.

Cascading Style Sheets (CSS)

A language used to describe how the content of an HTML document will be presented.

Web browser

A software application which allows users to locate, access, and display information on the world wide web.

Search engine

A program which can be used to access information on the world wide web by taking key words entered by the user.

Internet service provider (ISP)

A company which provides services to support internet access.

Uniform resource locator (URL)

An address which tells browsers where to locate individual resources on the world wide web.

Router

A hardware device that can connect a local network to the internet.

Switch

A device that can take many signals from lots of devices and organize them so they can travel down one single communication line.

Intranet

A private network used mainly by the members of an organization.

Colour depth

A measure of the number of bits used to represent colour in individual pixels in an image.