11-11-2009, 07:52 PM
Sơ lược:
Unit 1: The telephone network
Unit 2: The data network
Unit 3: The basic transmission systems
Unit 4: Optical fibres
Unit 5: History of telephone exchanges
Unit 6: Digital telephone exchanges
Unit 7: Computer communications
Unit 8: Internet and computer
Unit 9: Radio communications
Unit 10: Satellite communications
:y28:
Unit 1: The telephone network
Unit 2: The data network
Unit 3: The basic transmission systems
Unit 4: Optical fibres
Unit 5: History of telephone exchanges
Unit 6: Digital telephone exchanges
Unit 7: Computer communications
Unit 8: Internet and computer
Unit 9: Radio communications
Unit 10: Satellite communications
:y28:
[MARQUEE]Ai còn mẹ , xin đừng làm mẹ khóc :cnhh45:
Đừng để buồn lên mắt mẹ nghe không !![/MARQUEE]
http://www.facebook.com/profile.php?id=100001234244062
:y204:
![[Image: thank.gif]](http://ca8.upanh.com/15.818.20107646.XPP0/thank.gif)