Monitor Viewsonic pantalla táctil 1920 x 1080 Pixeles Full HD 21.5P Multi-touch Multi-usuario Negro

Size of the display for this product

Resolution of the display for the system

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

The technology used in the display e.g. plasma

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 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.)

Brightness is the amount of radiating light emitted from the screen. The brightness rating is measured in candellas per square meter

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

This is the parameter of a picture tube

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.

A property of a display system

The colour e.g. red

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

There are a variety of touchscreen technologies that have different methods of sensing touch

The device contains speaker(s) to produce sound.

RMS (Root mean square) is a measure of the continuous power required by a device

The quantity of speakers included in/with the product.

The product has an integrated camera.

Microphone that is found inside the product.

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

USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.

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

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

Number of VGA (D-Sub) ports (connecting interfaces) in the device. The VGA (D-Sub) connector is a 15 pin connector between a computer and a monitor. It was first introduced in 1987 by IBM.

Digital Visual Interface (DVI) is a video display interface to connect a video source to a display device

This is the amount of DVI-I interfaces. Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source to a display device

The socket where a microphone is connected to the device.