Unlike a laptop, which is portable, a desktop computer is meant to stay at one location. Desktop computer overview. Below is a picture of a computer with each of the main components that help make up a computer. In the picture, you can see the Desktop computer, Flat-panel display, Speakers, Keyboard, and Mouse.
GLOBE [http://www.ngdc.noaa.gov/mgg/topo/globe.html] is also a global digital elevation model (DEM) with a 1 kilometer resolution. This project was headed by the Committee on Earth Observation Satellites. File Format: Binary Raster File *.dem Importing into ArcMap 1. In Windows Explorer navigate to the directory which contains the dataset (.dem) file
From Wikipedia, the free encyclopedia. 3D rendering of a DEM of Tithonium Chasma on Mars. A digital elevation model (DEM) is a digital model or 3D representation of a terrain's surface â commonly for a planet (including Earth), moon, or asteroid â created from terrain elevation data.