down converter
In satellite communications, down converter is a device for fixed satellite service (FSS) television receivers to convert 4-GHz signals to the 70-MHz frequency range.
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- downlink
In satellite communications, downlink is the establishment of a communications link from an orbiting satellite down to one or more ground stations on Earth. Contrast with uplink.
- Download
To copy data (usually an entire file) from a main source to a peripheral device. The term is often used to describe the process of copying a file from an online service or bulletin board service (BBS) to one’s own computer. Downloading can also refer to copying a file from a network file server to […]
- Dots Per Inch (DPI)
Abbreviation of dots per inch, which indicates the resolution of images. The more dots per inch, the higher the resolution. A common resolution for laser printers is 600 dots per inch. This means 600 dots across and 600 dots down, so there are 360,000 dots per square inch.
- downstream
(adj.) A transmission from a server to an end user. A downstream transmission can be in the form of a signal being transmitted from a server to a workstation across a network, such as a LAN, or a signal being sent from a cable service provider to a customer. A transmission from an end user […]
- draft quality
Describes print whose quality is less than near letter quality. Most 9-pin dot-matrix printers produce draft-quality print.