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Digital Signage Glossary

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R

RAM (Random Access Memory) - Hardware inside your computer for short-term storage of data. It comes in 32-bit, 64-bit, 128-bit, 256-bit, and higher. Additional Ram can be added to your computer to increase the amount of storage capability.

Real time - The actual time an event takes place. For example, real-time can refer to a live broadcast or an active exchange between a host and user.

Resolution - Described in dots per inch (dpi), resolution refers to the clarity and detail of an image. On a 15-inch monitor there are usually 680 pixels of width, times 480 lines of height. This multiplies to a total of around 300,000 pixels, or a resolution of around 50 dpi. The higher the dpi, the more clear and precise the image will appear.

Resources - The term used to describe anything you draw upon and need for a particular task. For example, e-mailing a large file requires network resources, which include the size of the server, the speed of connection, scalability and so on.

RGB: Red, Green, Blue: the three colors that are combined to comprise all the "mixed" colors on a computer screen.