CSU/DSU ( channel service unit / data service unit )
It is a digital-interface device used to connect DTE
Answer:
robbery
Explanation:
it records a robbery so that police can later find out who did it
Answer:
All of Given
Explanation:
JSP provides a number of implicit objects which are made available by the container and can be used directly in scriptlets. These objects include:
- session
- application
- config
- out
- request
- response
- pageContext
- page
- exception
Example usage:
<% session.setAttribute("userid","demoid"); %>
<% application.getContextPath(); %>
<% out.println(config.getServletName()); %>
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.
