Answer:
B. False
Explanation:
You do NOT need to start from scratch when you program in a language that uses GUI components. You can think of it like the components are add-ons to your programming language.
Answer:
Operating System
Explanation:
Master controller for all activities that take place within a computer; primary purpose is to help the computer system monitor itself in order to function efficiently
Answer:
combined in color.
Explanation:
It's because the modern traffic signals are controlled by the computers, and they are programmed to display different signals for different times of day, night, days of week and holidays etc.
