Answer:
There are different phases of railroad expansion with the innovations in technology.
Explanation:
Few of the technological innovations are described below that leads in railroad expansion more rapid.
1. Centralized Traffic control (CTC) is introduced in 1960's that is used to control the traffic on railroads using different signal control.
2. In 1990's after computer technology involvement, railway ticket and reservation system is automate and being centralized. That makes the railroad expansion improve.
3. Bullet train technology has been introduced, that makes the railway trains more faster.
4. Electric trains has been introduced to use green energy and reduce the dependency on the fuel to make environment clean and green.
Answer:
It is general knowledge
Explanation:
What you covered is general knowledge and the entrance to computer science.
1989 <span>A graduate of Oxford University, Tim Berners-Lee invented the Web while at CERN, the European Particle Physics Laboratory, in </span>1989<span>. He wrote the first web client and server in </span>1990<span>.</span>
Layer 3, the Network Layer, just like the OSI model.
It’s b just really got to make since an read it right that’s all
