Size of the display for this product, measured diagonally, usually in inches.

Brightness is quality of the amount of radiating light emitted from the screen. The brightness rating is measured in candelas per square meter, commonly known as 'nits'.

Resolution of the display for the system

Type of supported High Definition (e.g. Full HD, 4K Ultra HD).

Backlighting is the illumination of a screen e.g. LCD (liquid crystal display). There are several types of backlighting with LEDs, e.g. full array, edge lit.

The difference in light intensity between the brightest white and the darkest black.

The response time is the time difference between the moment that a source (for example a video card) sends a signal and that equipment (for example a monitor) receives or display the signal. (Used abbreviations: R/F = Rise and Fall.)

A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.

Technology of touch sensetive screen e.g. dual-touch.

Maximum horizontal angle at which a display can be viewed with acceptable visual performance.

Maximum vertical angle at which a display can be viewed with acceptable visual performance.

The area that can be worked on.

The colour e.g. red, blue, green, black, white.

Type of operating system on a device e.g. IOS on Apple devices, Android for mobile devices.

Component of an electronics device, most commonly a television set, DVD player and home theater systems originally used for operating the device wirelessly from a short line-of-sight distance.

Whether or not a processor is built into the device.

The number of central processing units ('cores') in a processor. Some processors have 1 core, others have 2 (e.g. Intel Core Duo) or more (e.g. the Intel Xeon E7-2850 has 10 cores).

An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.

The different speed levels of the Ethernet LAN connection.

Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.

The type of USB connector/port that this product has.

The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.

Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.

How a microphone connect to a device e.g. wirelessly or via a cable and connector.

How headphones connect to a device e.g. wirelessly or via a cable and connector.

The number of sockets (ports) for RS-232. An RS-232 serial port was once a standard feature of a personal computer, used for connections to modems, printers, mice, data storage, uninterruptible power supplies, and other peripheral devices. Now it has been largely replaced by USB and other ports.

The device contains speaker(s) to produce sound.

The product includes a pen.

The product can be used wih VESA mounting interfaces.

The maximum amount of power used by the device.

The amount of electricity that is consumed when the product is on standby.

The voltage of the AC electricity that is inputted into the product.

Windows vesions wich can be used with the device.

Mac operating systems e.g. OS X can be used with the device.

8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3)

The minimum and maximum temperatures at which the product can be safely operated.

The minimum and maximum temperatures at which the product can be safely stored.

The measurement or extent of something from side to side.

The distance from the front to the back of something.

Height of the product

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

The distance from one side of the packaging to the other.

The distance from the front to the back of the packaging.

The distance from the top to the bottom of the packaging.

Weight of the packaged product.