Apple Certification Exam 9L0-509

The potential profit of [TV] markets skyrocketed in the 1980s when fiber optic cable carried information in 9L0-509 light waves along a silicon wire that had the thinness of human hair. Compared with the copper wire it replaced, the silicon wire could transmit dozens of television programs at once instead of one or two … Digital compression technologies meanwhile increased the possible number of channels on a television set Testking 9L0-402 from dozens to 150 and even 500. A British firm developed the first round-the-world fiber optic system in 1991.

Now the possibilities were breathtaking. A single direct-to-broadcast satellite could transmit to earth all of 9L0-509 the Encyclopedia Britannica in less than a minute. The contents could even be picked up and placed before the viewer by a cable relay station whose cost in 1975 had been $125,000, but in 1980 was less than $4,000 because of the quick technological advances. Profits promised to have no limit. As cable and satellites Pass4sure 9L0-402 created international television in the 1980s, so did advertising, whose profits for cable companies shot up more than ten times.