Modular programming is the process of subdividing a computer program into separate sub-programs. Modularity provides flexibility in a structured programming design the following way: Modularity enables multiple programmers to work on a program at the same time. Correct answer: A
It provides developers flexibility in module maintenance.This makes the program easier to read and understand.
C. system software
if it means drivers and so on
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.
