Certain frames can also load pictures over the Internet from RSS feeds, photo sharing sites such as Flickr, Picasa and from e-mail. Such networked models usually support wireless (802.11) connections.
Other ones can display txt files.
Digital photo frames typically display the pictures directly from a camera's memory card, though certain frames also provide internal memory storage. Certain frames allow users to directly upload pictures to the frame's memory via a USB connection. However, few digital photo frames have built-in memory due to the high price of in-built memory.
Some of them also include a rechargeable battery.
Most 7 inch (17.5cm) models show images at 430 x 234 pixels. With some models the width of each landscape image is stretched to achieve an aspect ratio of 16:9, which results in very noticeable distortion.
The Trojan Horse, which Computer Associates calls Mocmex, recognizes and blocks detection by most security vendor software, as well as the security and firewall mechanisms in Microsoft Windows. Mocmex downloads files and gives them random names, thus requiring a special program to disinfect the PC.