The Telephone - How It Works
10:34
YouTubeNational Communication Museum
The Telephone - How It Works
Have you ever wondered how your voice can travel thousands of kilometres, instantaneously? The transmission of speech long predates Alexander Graham Bell’s telephone of 1876, as makeshift instruments such as pipes or cones were used to project a voice over greater distance. But the telephone as we know it was a more ambitious device; it ...
已浏览 13.1万 次2020年12月9日
Modem Types
What Are the Different Types of Modems?
7:11
What Are the Different Types of Modems?
YouTubeNetWork From Home
已浏览 3163 次2023年6月9日
What is Modem,Types of Internet Connections- Dial-up, ISDN, DSL, Cable Modem.
10:01
What is Modem,Types of Internet Connections- Dial-up, ISDN, DSL, Cable Modem.
YouTubeThe Unstoppable Power
已浏览 9.1万 次2021年9月19日
Types of Modem , Difference Between Internal and External modem
6:38
Types of Modem , Difference Between Internal and External modem
YouTubeSpardha Gyan
已浏览 7083 次2022年9月13日
热门视频
The Machines That Built America: Alexander Graham Bell’s Revolutionary Invention (S1) | History
8:53
The Machines That Built America: Alexander Graham Bell’s Revolutionary Invention (S1) | History
YouTubeHISTORY
已浏览 19.7万 次2021年8月18日
Evolution of the Telephone 1856 - 2020 (Landline)
10:32
Evolution of the Telephone 1856 - 2020 (Landline)
YouTubeCaptain Gizmo
已浏览 112.4万 次2019年3月1日
History of the Telephone
5:44
History of the Telephone
YouTubeLearn English by Pocket
已浏览 4.8万 次2022年4月18日
Modem Setup
How to Set Up a Modem | Internet Setup
1:31
How to Set Up a Modem | Internet Setup
YouTubeHowcast
已浏览 47.2万 次2012年2月24日
Self-Installation: Replacing Your Modem
3:09
Self-Installation: Replacing Your Modem
YouTubeSpectrum
已浏览 21.9万 次2021年8月20日
CenturyLink Install: How to setup your C4000 modem
3:18
CenturyLink Install: How to setup your C4000 modem
YouTubeCenturyLink
已浏览 35万 次2021年11月3日