Hypertext Markup Language. A markup language for hypertext documents on the Internet. HTML enables the embedding of images,

sounds, video streams, form fields, references to other objects with URLs, and basic text formatting.

Portable Network Graphics (PNG) is an image format offering lossless compression and storage flexibility. The MIDP
specification requires implementations to recognize certain types of PNG images.

Using imagetypes() function to find out what types of images are supported in your PHP engine.

imagetypes() - Returns the image types supported.
This function returns a bit-field corresponding to the image formats supported by the version of GD linked into PHP. The following bits are returned, IMG_GIF | IMG_JPG | IMG_PNG | IMG_WBMP | IMG_XPM.

Bluetooth transfers data at a rate of 721 Kbps, which is from three to eight times the average speed of parallel and serial ports, respectively. This bandwidth is capable of transmitting voice, data, video and still images

In the CSS style for the body element you can specify a background-image property with the URL to the image:
background-image: url(stars.gif);

The background attribute in the HTML body tag is deprecated. If you specify a background image, you should also specify text, link, and background colors since the reader's default colors may not provide adequate contrast against your background image. The background color may be used by those not using your background image.

A PC video camera is a digital  video camera that enables users to capture video and still images and then send to capture video and still  images  and then send or broadcast  the images  over  the  internet .A web cam is a video camera that display its output on a web page .A video conference  is a meeting  between  geographically separated people  who use a network or the internet to transmit audio and video data.