AOC 68.6cm (27″) Q27P3CV 16:09 HDMI+DP+USB-C IPS black retail

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

The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.

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

The aspect ratio is the ratio of the width of an image to its height. The native aspect ratio is the one which the projector/display is particularly designed for. Images shown in native aspect ratio will utilize the entire resolution of the display and achieve maximum brightness. Images shown in other than native aspect ratio will always have less resolution and less brightness than images shown in native aspect ratio.

The technology used in the display e.g. plasma, LED.

A backlight is a form of illumination used in liquid crystal displays (LCDs). One type of backlight is made by LEDs, which can be either white or RGB (red green blue). White LEDs are used most often in notebooks and desktop screens, and in virtually all mobile LCD screens. RGB LEDs for backlighting are found in high-end color proofing displays such as HP DreamColor LP2480zx monitor or selected HP EliteBook notebooks, as well as newer consumer grade displays such as Dell's Studio series laptops which have an optional RGB LED display.

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

Display brightness, measured by its Luminance, presented as a figure in nits. Typical brightness ratings for monitors range from 250 to 350 nits with a target value of between 80 to 120 nits being suitable for most displays in a normal viewing environment.

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.)

Always gives an optimal view, even in direct sunlight.

The video modes that can be displayed by the device.

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

A property of a display system, defined as the ratio of the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing.

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.

This is the parameter of a picture tube, which specifies the shortest distance between two dots of the same colour. The principle is: the smaller the dot pitch, the better sharpness of image.

This is the size of the display screen, measured diagonally.

The quantity of speakers included in/with the product.

RMS (Root mean square) is a measure of the continuous power required by a device, in particular audio amplifiers and loudspeakers.

The device contains speaker(s) to produce sound.

The product has an integrated camera.

Under which category can the device be positioned in the market, e.g. camera phone.

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

Whether or not the device features a USB hub to connect more than one other device via USB.

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.

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 DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.

The type of audio output that the device produces, and the connector(s).

The socket for connecting headphones to the device.

Number of sockets /ports where headphones are connected.

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