U5 L4 The Changing Nature Of Telecommunications Technology Flashcards
How do streaming companies drive advancement in telecommunications?
ISP’s increase bandwidth
In a liberal market, most services are provided by what kind of companies?
privately owned companies
What machine led to the development of the computer?
Enigma machine
Many telecommunication innovation begin as what?
govt tools for military use
Many tech innovations were funded with govt ()
R&D dollars
What is a sonar?
sound waves sent through water to determine distance by timing echoes
What is the Enigma machine?
coding machine developed by Nazis in WWII
Mathematics developed by who drove the development of the computer?
Alan Turing
Before cellphones and Internet, what was the main telecommunication channel?
landline phone
How much did early pay phone calls cost?
0.10
What were major tasks (related to phonebooths) AT&T had to do?
- install
- repair
- maintain
The first generation of phones were equipped with what?
rotary dial
Why did early cell phones have an antenna?
locate nearest cell
What are handoffs?
cellular signal management
What was the disadvantage of using dial-up modem connection and transmission?
slow and errors
