| The working of a modern computer depends | | | | allow computers to operate on information at a |
| primarily on the properties of a single | | | | distance are the telecommunication links, of which |
| element-silicon. It is a semiconductor, and it is this | | | | the ordinary telephone cable is the commonest. |
| property that makes it important for computers. | | | | Information technology or IT is the interaction of |
| More importantly, the quantity of electricity | | | | computers and telecommunication. |
| transmitted by a piece of silicon can be radically | | | | |
| altered by adding small amounts of other | | | | More communications satellites are put into |
| elements. Silicon chips are cut out from a large | | | | geostationary orbit meaning that their orbit is |
| silicon wafer on which the integrated circuits are all | | | | synchronized with the Earth's so that they remain |
| made together. All computers contain a number | | | | perched over the same spot on the Earth's |
| of microchips devoted entirely to memory. The | | | | surface, and are always visible to the same |
| rows and rows of circuits contained on memory | | | | transmitters. To achieve this, the orbiting satellite |
| chips all do much the same job. The <a | | | | is positioned at nearly 36,00km directly above the |
| rel="nofollow" | | | | Earth's equator. At this height, transmission of |
| onclick="javascript:_gaq.push(['_trackPageview', ' | | | | signals beyond the horizon becomes easy. A |
| outgoing/article_exit_link']);" href=" speed satellite | | | | transmitter sends its message up to the satellite, |
| internet</a> with this basic structure is now | | | | which beams it back to ground stations invisible to |
| a reality. | | | | the original transmitter. Signals from satellite are |
| | | | | quite weak, but receivers are becoming more |
| The circuits store information and release it as | | | | sensitive. <a rel="nofollow" |
| required. In contrast the circuits making up a | | | | onclick="javascript:_gaq.push(['_trackPageview', ' |
| computer's central processing unit or CPU must | | | | outgoing/article_exit_link']);" href=" speed internet |
| be more than one type to fulfil the processor's | | | | satellite</a> is thus now a reality. |
| different functions. Computers operate at high | | | | |
| speeds, the program must be held in electronic | | | | The credit of pioneering work in space |
| form in the computer memory. Thus an electronic | | | | telecommunication goes to the Russians who in |
| computer takes in data, processes and stores | | | | 1957 launched the Sputnik with this purpose and |
| them and produces the results when required to | | | | caught the competitors' off-guard. The USA |
| do so. The computer contains large numbers of | | | | worked on the same issue and sent a satellite in |
| switching mechanisms, which allow messages to | | | | space in 1958. The result was the discovery of |
| be delivered through a variety of pathways. <a | | | | magnetic radiation envelop all round the Earth. |
| rel="nofollow" | | | | The technology has come a long way ever since. |
| onclick="javascript:_gaq.push(['_trackPageview', ' | | | | As of now satellite broadband technology servers |
| outgoing/article_exit_link']);" href=" broadband | | | | the rural, remote areas, business houses and the |
| internet</a> is compatible to the pathways. | | | | nation internationally in the advanced countries |
| | | | | which have stationed their satellite in space. Avail |
| Computers are not normally constrained by | | | | the facility of superfast speed on internet through |
| where their input comes from, or where the | | | | this method. Visit the sites through keyword |
| output goes to. The source of information may | | | | entry and locate the best internet provider |
| be sitting beside the computer, or it may be on | | | | through satellite for your benefit. |
| the other side of the world. The connections that | | | | |