TAILIEUCHUNG - Laptops All-in-One Desk Reference For Dummies- P42

Laptops All-in-One Desk Reference For Dummies- P42: Okay, I’ll admit it: I’ve got a strange biography. I’ve been a writer all my life. My first semi-pro job was sports editor of my high school newspaper. (Go Commodores!) After college I was a political reporter for daily newspapers in Ohio and New York (I covered four national nominating conventions and two Presidential campaigns) and a correspondent for The Associated Press. And then, in 1983, I gave in to my inner geek and became the first Executive Editor of PC Magazine, back in the days when most people asked, “What is a PC?”. | 384 Poring Over Streaming Media Radio days Think way back to the early days of radio like the 1880s when German physicist Heinrich Hertz performed his research on electromagnetic radiation called at the time aetheric waves or Hertzian waves and now more commonly known as radio waves . Jump forward a few decades and consider the practical implementation of many of those ideas by Italian-American inventor and businessman Guglielmo Marconi who began his experiments in Europe and then crossed the channel to Canada and then America. By 1904 Marconi had a small commercial service that communicated with ships at sea and in 1912 the . Titanichad company-trained telegraphers aboard the ship on its maiden and only voyage. One of Marconi s employees involved with monitoring the rescue efforts for the Titanic was a young man named David Sarnoff who went on to pioneer commercial radio at the Radio Corporation of America RCA the forerunner of today s NBC network. What s the thread here Hertz was sending a signal from a single transmitter to a single receiver even though the process is a lot more complex today essentially that happens when you communicate by Instant Message IM from one computer to another the information isn t meant to be shared with others. Marconi began his work with sending a signal to and from an identified group of clients ships at sea and land-based stations. That s similar to what you might call narrowcasting. The information is out there and available but not intended for the public at large. And then Sarnoff helped launch what you now know as the broadcast industry. From one source a network at first a signal is sent into the ether for anyone and everyone to receive and use. From NBC came Fibber McGee and Molly and Burns and Allen and other early megahits of radio. Regularly update your Web browser with current versions of video enhancements such as Java. Some web sites warn you if the necessary software isn t found on your machine and then direct you

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