An estimate of how long the battery lasts before needing recharging, based on standard tasks and usage

Bluetooth is a wireless way of transferring data between electronic devices over short distances

Used for making video calls

A camera on the back of the device, typically used for taking photos and videos.

A component that generates the image you see on your computer screen. More sophisticated graphics card feature memory dedicated to graphics, which is important for a gaming PC

A dedicated graphics card enables you to run advanced programmes such as games or design packages more smoothly. Computers without graphics cards run these programmes through their processors.

Stores files like videos and images, and programmes such as games. A portion of this may already be allocated to data like your operating system

Random Access Memory (RAM) allows your computer to multitask. Measured in GB, More RAM will help to run games or demanding programs like video editing more efficiently.

A memory card slot allows you to transfer photos and files directly from a memory card. Please check that the slot type is compatible with your memory card type

Devices with NFC (Near Field Connection) can be tapped together to establish a wireless connection for sending or streaming files and other data

Determines the interface you see on screen and the types of programmes you can run.

The number of pixels per square inch of screen. A higher picture resolution makes for greater clarity, depth and detail in the image. Higher resolutions screens also make it harder to distinguish individual pixels from a close distance

Ports used to connect other devices, for example USB to connect peripherals or HDMI to connect to a high definition display. There may be different types of ports, eg. some USB ports can charge a plugged in device while the unit is in sleep mode

The processor (also called CPU) is the "brain" of your computer and enables programmes to run. Modern processors feature multiple cores that can adapt the speed they run at depending on the task

Also called CPU (central processing unit) is the circuitry within a computer/laptop/tablet. It carries out the basic instructions that drive a computer/laptop/tablet

The size of SIM card required

Picture quality defined by the number of individual dots (pixels) used to create an image. The higher the number of pixels, the higher the image quality.

A matte screen is easier to view in bright light. Gloss screens can provide more vivid colours.

The size of the device's screen, usually measured diagonally in inches

Can be operated using spoken commands, so no need for typing, scrolling or clicking.

Wireless Display technology can be used to present your device's display on a compatible TV or display without using wires.