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:
input devices?
Explanation:
Keyboard: It is used to give input through typing of the keys in keyboard. Mouse: It is used to give input through clicking mouse or selecting the options. System unit: It collectively defines the motherboard and CPU of the computer.
The correct answer is C. Typeover mode
This is when you select a
text and can then type over it and it automatically replaces it with
what you're writing. It also creates a little box that lets you edit the
selected part easily if that's what you need with things like bold or
italic or change the text color.
Answer: The default catch-all rules at the end of are: block in log quick all label "Default block all just to be sure." block out log quick all label .
Explanation:
