­ To understand DSL, you first have to know a couple of things about a normal telephone line — the sort that phone professionals name POTS, for Plain Outdated Phone Service. One of many ways in which POTS makes essentially the most of the phone company’s wires and tools is by limiting the frequencies that the switches, telephones and different equipment will carry. Human voices, talking in normal conversational tones, can be carried in a frequency vary of zero to 3,four hundred Hertz (cycles per second — see How Telephones Work for an excellent demonstration of this). This range of frequencies is tiny. For instance, examine this to the range of most stereo speakers, which cowl from roughly 20 Hertz to 20,000 Hertz. And the wires themselves have the potential to handle frequencies as much as several million Hertz usually. ­

Mobile Internet design must concentrate on single-column layouts that condense all of the content material into one compact arrangement. This will entail re-arranging navigation links, removing less essential page parts, and making the first column narrower to account for a cellphone’s dimensions. Whereas screens are wider than they are tall, most telephone screens are designed for asus chromebook repair near me a portrait orientation — you may at all times flip the telephone on its facet to browse a site, but cellular layouts must account for the narrowness of that default orientation. Layout is not the only concern — since mobile gadgets do not use a mouse like a [url=’11930′]Pc[/url], “mouseover states” like drop-down menus have to be redesigned to work with touch inputs or telephone buttons [supply: [url=’http://www.smashingmagazine.com/2010/11/03/how-to-construct-a-cell-website’]Smashing Journal[/url]].

When the president travels, for example, each hotel employee who will somehow be in contact with the presidential entourage is subjected to a background test. If anyone on the staff has a criminal history, even a minor one, that individual won’t be allowed to work that day. And the ground where the president is staying – as well as those above and beneath it – are cordoned off to everyone except members of the security element [sources: United States Secret Service, Marum].

The purpose of Do One thing is to “harness the ability of the web to help young individuals change the world.” The group wants to inspire, help, and have a good time younger folks who have an thought, a vision of a better world, and who get off their lazy bottoms and truly get to work to make their thought a reality. In short, they need to inspire young folks to Do One thing, challenge them to become involved. The organization’s tagline, “What’s Your One thing?” speaks to the assumption that everybody has a cause; it’s just a matter of discovering the drive to take motion.