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Asymmetric Digital Subscriber Line INTRO If I say "Asymmetric Digital Subscriber Line " ; most of us wonder what it is, but if I say "ADSL" almost everyone of us know it. That's it, we will discuss what ADSL is what are the features which has. Broadband is new generation high speed access to the internet. Early days it used to be accessed by usin g dial up access with a 56k modem. But by the end of 20th century those modems were tended to drop by the customers because of its low bit rate (download up to 56kbps). Then the technology of DSL (Digital Subscriber Li ne) came to the picture. Although the speed of DSL is higher, the speed basically depends on 2 facts; technology available at the time & the applications used by the country. But the specialty of 56k modem & other later technologies use data over PSTN . It means data & voice come up with in the same copper line used in PSTN, & also both data & voice can occur simultaneously. | DSL (D...

Unknown facts in a known sector All we come across the word “Teleco mmunication” in our day to day life; eve n we can’t imagine a day without a mobile phone in an era like this. But the fact is we know telecommunication, but we are poor in some configurations. Let’s try to point out some issues regarding this sector, telecommunication; m ainly in telephone. 1. What is the difference between communication & telecommunication? Let’s see what Oxford says Communication: share or exchange information or ideas. Telecommunication: communication over a distance by cable, telegraph, telephone, or broadcasting From that we could identify that for the term, telecommunication, a distance should be involved. & also an assistance of a device (mainly an electronic device) is needed in order to do so. 2. Is there any governing body for telecommunication? Yes. Like for every single fact in this world, for telecommunication alsothere are governing bodies. An international governing bod...